KAISHAN DRILLING

Kaishan drilling rigs

Underground Tunnelling (Development) Drilling Rigs

Hydraulic tunnelling drill jumbos — KJ Series for face development, from narrow tunnels to two-boom machines.

Applications

  • Underground mining
  • Development drilling
  • Tunnel face drilling

Key features

  • ✓One-boom and two-boom jumbos (KJ421/422)
  • ✓Narrow-tunnel variant KJ215
  • ✓Intelligent models with rock-drilling robotics (KJ212i/KJ311i)
  • ✓Hydraulic rock drills with auto rod handling
  • ✓Matched to narrow and standard headings

Quick Selection Guide

Use the published hole range, drive arrangement and duty notes to narrow the KJ Series range before opening a model page.

Narrow tunnels

KJ215

Matched to smaller cross-sections; check the published tunnel-size range per model.

Standard development faces

KJ211 / KJ212

Single-boom machines for standard headings.

Larger headings

KJ421 / KJ422

Two-boom jumbos for double face coverage.

Automated drill cycles

KJ212i / KJ311i

Rock-drilling robotics (intelligent models).

Not sure which model fits your project? Send your hole diameter, depth, site conditions and compressor requirement — we will confirm the match before quotation.

Full Specification Comparison

Compare all models below. Click any model name to view full specifications and inquiry details.

Kaishan underground tunnelling (development) rigs are hydraulic drill jumbos for development faces in underground mines. The KJ Series covers one-boom and two-boom machines (KJ421/422), narrow-tunnel variants (KJ215), secondary crushing duty (KJ314) and intelligent models (KJ212i/KJ311i) with rock-drilling robotics. Matched to tunnel widths from about 3.2 m, with hydraulic rock drills and auto rod handling for faster face cycles. At publication, the series covers 10 models — key specifications are listed below.
ModelMachineWeight (kg)Hole diameter (mm)Impact power (kW)
KJ212i →KJ212i Underground Development Drill Rig13000 kgOn requestOn request
KJ311i →KJ311i Underground Development Drill Rig16050 kgOn requestOn request
KJ211 →KJ211 Underground Development Drill Rig11000 kgOn requestOn request
KJ212 →KJ212 Hydraulic Tunnelling Drilling Rig11000 kgOn requestOn request
KJ215 →KJ215 Hydraulic Tunnelling Drilling Rig (Narrow tunnel)11000 kgOn requestOn request
KJ310 →KJ310 Hydraulic Tunnelling Drilling Rig13500 kgOn requestOn request
KJ311 →KJ311 Hydraulic Tunnelling Drilling Rig12000 kgOn requestOn request
KJ314 →KJ314 Hydraulic Tunnelling Drilling Rig (Secondary Crushing)12000 kg32–76 mm13 kW
KJ421 →KJ421 Hydraulic Tunnelling Drilling Rig22000 kg42–102 mmOn request
KJ422 →KJ422 Hydraulic Tunnelling Drilling RigOn request42–102 mmOn request
Complete specifications by model

KJ212i →

Drilling capability — Tunnel working range
3.5 m × 2.4 m to 9 m × 5.8 m
Drilling capability — Rock drill
HC50 / 18U / HC95LMH/22U
Drilling capability — Hole diameter
HC50: Φ32-76 mm; 18U: Φ42-89 mm; HC95LMH/22U: Φ42-102 mm
Drilling capability — Impact power
HC50: 13 kW; 18U: 18 kW; HC95LMH/22U: 21 kW/22 kW
Drilling capability — Impact frequency
HC50: 62 Hz; 18U: 57 Hz; HC95LMH/22U: 62 Hz/53 Hz
Drilling capability — Boom model
K36; Self-leveling
Drilling capability — Boom extension
1800 mm
Drilling capability — Feed beam
Rotation 360°; extension 1600 mm
Engine & drive — Chassis engine
Cummins B3.9CS4-80C, 59 kW / 2500 rpm
Engine & drive — Motor power
45 kW; 55 kW; 75 kW
Engine & drive — Electrical supply
380 V; 50 Hz; starting: Star-triangle
Engine & drive — Cable specification
3x35+3G6 / 3x50+3G10
Dimensions & weight — Dimensions (L × W × H)
12200 × 2050 × 1990/2510 mm
Dimensions & weight — Weight
approx. 13000 kg
Drive & handling — Steering & axle
Articulated steering, ±40°; rear axle swing ±6°
Drive & handling — Parking brake
Multidisc brake
Drive & handling — Safety canopy & noise
Lifting roof: FOPS & ROPS certified; noise < 100 dB(A)
Mud & hydraulic — Impact/feed/positioning pump
Axial variable displacement piston pump
Mud & hydraulic — Rotation pump
Gear pump
Mud & hydraulic — Hydraulic oil system
Tank 240 L; filtration 10 μ; Water cooler
Mud & hydraulic — Fuel tank
30 L
Tooling & air — Air compressor
DLGF 0.7/8-5.5(B); 0.7 m³/min; 6-8 bar
Tooling & air — Water pump
1.5 kW / 3 m³/h; 4 kW / 5.8 m³/h
Tooling & air — Shank lubrication
Electronic pulse lubrication pump; oil 180-250 g/h; air 0.3 m³/min
Performance & mobility — Travel speed
10 km/h
Performance & mobility — Gradeability
25% (14°)
Performance & mobility — Drive system
Closed hydraulic system for four-wheel driving

KJ311i →

Drilling capability — Tunnel working range
3.5 m × 3.5 m to 9 m × 5.8 m
Dimensions & weight — Overall dimensions (L × W × H)
12500 × 2170 × (2500/2900) mm
Dimensions & weight — Weight
approx. 16050 kg
Dimensions & weight — Tramming speed on flat ground
10 km/h
Dimensions & weight — Maximum climbing capacity
25% (14°)
Noise level
< 100 dB(A)
Lifting safety roof
FOPS & ROPS certified
Tooling & air — Air compressor
DLGF 0.7/8-5.5(B)
Tooling & air — Capacity of air compressor
0.7 m³/min
Tooling & air — Pressure
6-8 bar
Tooling & air — Device of shank lubrication
Electronic pulse lubrication pump
Tooling & air — Oil consumption of lubrication
180-250 g/h
Tooling & air — Air consumption of lubrication
0.3 m³/min
Tooling & air — Water pump (printed power / capacity options)
Power: 1.5 / 4 kW; Capacity: 3 / 5.8 m³/h
Drive & handling — Diesel engine
Cummins B3.9CS4-130C, 96 kW / 2500 rpm
Drive & handling — Drive system
Closed hydraulic system for four-wheel driving
Drive & handling — Swing angle of rear axle
±10°
Drive & handling — Steering mechanism
Articulated steering, ±40°
Drive & handling — Travelling braking
Two-circuit hydraulic brake
Drive & handling — Parking braking
Wet multidisc brake
Drive & handling — Fuel tank
60 L
Drilling capability — Rock drill (option 1)
HC50; impact power 13 kW; impact frequency 62 Hz; hole diameter Φ32-76 mm; rod size R38
Drilling capability — Rock drill (option 2)
18U; impact power 18 kW; impact frequency 57 Hz; hole diameter Φ42-89 mm; rod size T38
Drilling capability — Rock drill (option 3)
HC95LMH/22U; impact power 21 kW/22 kW; impact frequency 62 Hz/53 Hz; hole diameter Φ42-102 mm; rod size T38
Drilling capability — Beam rotation
360°
Drilling capability — Feed extension
1600 mm
Drilling capability — Model of drill boom
K 36
Drilling capability — Form of drill boom
Self-leveling
Drilling capability — Boom extension
1800 mm
Engine & drive — Motor (option 1)
45 kW
Engine & drive — Motor (option 2)
55 kW
Engine & drive — Motor (option 3)
75 kW
Engine & drive — Impact / feed / positioning pump
Axial variable displacement piston pump
Engine & drive — Rotation pump
Gear pump
Engine & drive — Filter fineness
10 μ
Engine & drive — Hydraulic oil tank
240 L
Engine & drive — Hydraulic cooler
Water cooler
Engine & drive — Working voltage
380 V
Engine & drive — Frequency
50 Hz
Engine & drive — Starting method
Star-triangle
Engine & drive — Cable specifications
3×35+3G6 / 3×50+3G10

KJ211 →

Dimensions & weight — Overall dimensions (L × W × H)
11150 × 1600 × (1850/2650) mm
Dimensions & weight — Weight
approx. 11000 kg
Dimensions & weight — Tramming speed on flat ground
10 km/h
Dimensions & weight — Maximum climbing capacity
25% (14°)
Noise level
< 100 dB(A)
Lifting safety roof
FOPS & ROPS certified
Tooling & air — Air compressor
DLGF 0.7/8-5.5(B)
Tooling & air — Capacity of air compressor
0.7 m³/min
Tooling & air — Pressure
6-8 bar
Tooling & air — Device of shank lubrication
Electronic pulse lubrication pump
Tooling & air — Oil consumption of lubrication
180-250 g/h
Tooling & air — Air consumption of lubrication
0.3 m³/min
Tooling & air — Water pump (printed power / capacity options)
Power: 1.5 / 4 kW; Capacity: 3 / 5.8 m³/h
Drive & handling — Diesel engine
Cummins B3.9CS4-80C, 59 kW / 2500 rpm
Drive & handling — Drive system
Closed hydraulic system for four-wheel driving
Drive & handling — Swing angle of rear axle
±6°
Drive & handling — Steering mechanism
Articulated steering, ±35°
Drive & handling — Parking braking
Multidisc brake
Drive & handling — Travelling braking
Hydrostatic braking
Drive & handling — Fuel tank
30 L
Drilling capability — Rock drill (option 1)
HC50; impact power 13 kW; impact frequency 62 Hz; hole diameter Φ32-76 mm; rod size R38
Drilling capability — Rock drill (option 2)
18U; impact power 18 kW; impact frequency 57 Hz; hole diameter Φ42-89 mm; rod size T38
Drilling capability — Rock drill (option 3)
HC95LMH/22U; impact power 21 kW/22 kW; impact frequency 62 Hz/53 Hz; hole diameter Φ42-102 mm; rod size T38
Drilling capability — Beam rotation
360°
Drilling capability — Feed extension
1600 mm
Drilling capability — Model of drill boom
K 22
Drilling capability — Form of drill boom
Self-leveling
Drilling capability — Boom extension
800 mm
Engine & drive — Motor (option 1)
45 kW
Engine & drive — Motor (option 2)
55 kW
Engine & drive — Motor (option 3)
75 kW
Engine & drive — Impact / feed / positioning pump
Axial variable displacement piston pump
Engine & drive — Rotation pump
Gear pump
Engine & drive — Filter fineness
10 μ
Engine & drive — Hydraulic oil tank
240 L
Engine & drive — Hydraulic cooler
Water cooler
Engine & drive — Working voltage
380 V
Engine & drive — Frequency
50 Hz
Engine & drive — Starting method
Star-triangle
Engine & drive — Cable specifications
3×35+3G6 / 3×50+3G10
Tunnel working range
7-25 m²

KJ212 →

Drilling capability — Tunnel passage section
2.5 m × 1.5 m
Drilling capability — Tunnel working range
3.5 m × 1.8 m to 5 m × 4.8 m
Dimensions & weight — Overall dimensions (L × W × H)
11160 × 2000 × (1465/1985) mm
Dimensions & weight — Weight
approx. 11000 kg
Dimensions & weight — Tramming speed on flat ground
10 km/h
Dimensions & weight — Maximum climbing capacity
25% (14°)
Noise level
< 100 dB(A)
Lifting safety roof
FOPS & ROPS certified
Tooling & air — Air compressor
DLGF 0.7/8-5.5(B)
Tooling & air — Capacity of air compressor
0.7 m³/min
Tooling & air — Pressure
6-8 bar
Tooling & air — Device of shank lubrication
Electronic pulse lubrication pump
Tooling & air — Oil consumption of lubrication
180-250 g/h
Tooling & air — Air consumption of lubrication
0.3 m³/min
Tooling & air — Water pump (printed power / capacity options)
Power: 1.5 / 4 kW; Capacity: 3 / 5.8 m³/h
Drive & handling — Diesel engine
Cummins B3.9CS4-80C, 59 kW / 2500 rpm
Drive & handling — Drive system
Closed hydraulic system for four-wheel driving
Drive & handling — Swing angle of rear axle
±6°
Drive & handling — Steering mechanism
Articulated steering, ±35°
Drive & handling — Parking braking
Multidisc brake
Drive & handling — Emergency braking
Multidisc brake
Drive & handling — Fuel tank
30 L
Drilling capability — Rock drill (option 1)
HC50; impact power 13 kW; impact frequency 62 Hz; hole diameter Φ32-76 mm; rod size R38
Drilling capability — Rock drill (option 2)
18U; impact power 18 kW; impact frequency 57 Hz; hole diameter Φ42-89 mm; rod size T38
Drilling capability — Beam rotation
360°
Drilling capability — Feed extension
1600 mm
Drilling capability — Model of drill boom
K 26
Drilling capability — Form of drill boom
Self-leveling
Drilling capability — Boom extension
1200 mm
Engine & drive — Motor (option 1)
45 kW
Engine & drive — Motor (option 2)
55 kW
Engine & drive — Impact / feed / positioning pump
Axial variable displacement piston pump
Engine & drive — Rotation pump
Gear pump
Engine & drive — Filter fineness
10 μ
Engine & drive — Hydraulic oil tank
240 L
Engine & drive — Hydraulic cooler
Water cooler
Engine & drive — Working voltage
380 V
Engine & drive — Frequency
50 Hz
Engine & drive — Starting method
Star-triangle
Engine & drive — Cable specifications
3×35+3G6 / 3×50+3G10

KJ215 →

Drilling capability — Tunnel working range
5-25 m²
Drilling capability — Rock drill
HC50 / 18U
Drilling capability — Hole diameter
HC50: Φ32-76 mm; 18U: Φ42-89 mm
Drilling capability — Impact power
HC50: 13 kW; 18U: 18 kW
Drilling capability — Impact frequency
HC50: 62 Hz; 18U: 57 Hz
Drilling capability — Rod size
R38 / T38
Drilling capability — Boom model
K 21; Self-leveling
Drilling capability — Feed beam
Rotation 360°; extension 1600 mm
Engine & drive — Chassis engine
Cummins B3.9CS4-80C, 59 kW / 2500 rpm
Engine & drive — Motor power
45 kW; 55 kW
Engine & drive — Electrical supply
380 V; 50 Hz; starting: Star-triangle
Engine & drive — Cable specification
45 kW motor: 3×35+3G6; 55 kW motor: 3×50+3G10
Dimensions & weight — Dimensions (L × W × H)
10220 × 1400 × (2000/2850) mm
Dimensions & weight — Weight
approx. 11000 kg
Drive & handling — Steering & axle
Articulated steering, ±40°; rear axle swing ±6°
Drive & handling — Parking brake
Wet multidisc brake
Drive & handling — Travel brake
Hydrostatic braking
Drive & handling — Safety canopy & noise
Lifting roof: FOPS & ROPS certified; noise < 100 dB(A)
Mud & hydraulic — Impact/feed/positioning pump
Axial variable displacement piston pump
Mud & hydraulic — Rotation pump
Gear pump
Mud & hydraulic — Hydraulic oil system
Tank 240 L; filtration 10 μ; Water cooler
Mud & hydraulic — Fuel tank
30 L
Tooling & air — Air compressor
DLGF 0.7/8-5.5(B); 0.7 m³/min; 6-8 bar
Tooling & air — Water pump
1.5 kW / 3 m³/h; 4 kW / 5.8 m³/h
Tooling & air — Shank lubrication
Electronic pulse lubrication pump; oil 180-250 g/h; air 0.3 m³/min
Performance & mobility — Travel speed
10 km/h
Performance & mobility — Gradeability
25% (14°)
Performance & mobility — Drive system
Closed hydraulic system for four-wheel driving

KJ310 →

Drilling capability — Tunnel working range
12-35 m²
Drilling capability — Rock drill
HC50 / 18U / HC95LMH/22U
Drilling capability — Hole diameter
HC50: Φ32-76 mm; 18U: Φ42-102 mm; HC95LMH/22U: Φ42-102 mm
Drilling capability — Impact power
HC50: 13 kW; 18U: 18 kW; HC95LMH/22U: 21 kW/22 kW
Drilling capability — Impact frequency
HC50: 62 Hz; 18U: 57 Hz; HC95LMH/22U: 62 Hz/53 Hz
Drilling capability — Rod size
R38 / T38
Drilling capability — Boom model
K 26F; Self-leveling
Drilling capability — Boom extension
1200 mm
Drilling capability — Feed beam
Rotation 360°; extension 1600 mm
Engine & drive — Chassis engine
Cummins B3.9CS4-80C, 59 kW / 2500 rpm
Engine & drive — Motor power
75 kW
Engine & drive — Electrical supply
380 V; 50 Hz; starting: Star-triangle
Engine & drive — Cable specification
3×50+3G10
Dimensions & weight — Dimensions (L × W × H)
10250 × 1800 × (2000/2730) mm
Dimensions & weight — Weight
approx. 13500 kg
Drive & handling — Steering & axle
Articulated steering, ±40°; rear axle swing ±10°
Drive & handling — Parking brake
Wet multidisc brake of reducer
Drive & handling — Travel brake
Two-circuit hydraulic brake
Drive & handling — Safety canopy & noise
Lifting roof: FOPS & ROPS certified; noise < 100 dB(A)
Mud & hydraulic — Impact/feed/positioning pump
Axial variable displacement piston pump
Mud & hydraulic — Rotation pump
Gear pump
Mud & hydraulic — Hydraulic oil system
Tank 240 L; filtration 10 μ; Water cooler
Mud & hydraulic — Fuel tank
34 L
Tooling & air — Air compressor
DLGF 0.7/8-5.5(B); 0.7 m³/min; 8 bar
Tooling & air — Water pump
4 kW / 5.8 m³/h
Tooling & air — Shank lubrication
Electronic pulse lubrication pump; oil 180-250 g/h; air 0.3 m³/min
Performance & mobility — Travel speed
2.5 km/h
Performance & mobility — Gradeability
20°
Performance & mobility — Drive system
Closed hydraulic system for four-wheel driving

KJ311 →

Dimensions & weight — Overall dimensions (L × W × H)
11500 × 1750 × (2000/3000) mm
Dimensions & weight — Weight
approx. 12000 kg
Dimensions & weight — Tramming speed on flat ground
10 km/h
Dimensions & weight — Maximum climbing capacity
25% (14°)
Noise level
< 100 dB(A)
Lifting safety roof
FOPS & ROPS certified
Tooling & air — Air compressor
DLGF 0.7/8-5.5(B); capacity 0.7 m³/min; pressure 6-8 bar
Tooling & air — Shank lubrication
Electronic pulse lubrication pump; oil 180-250 g/h; air 0.3 m³/min
Tooling & air — Water pump
Power 1.5 kW / 4 kW; capacity 3 m³/h / 5.8 m³/h
Drive & handling — Diesel engine
Cummins B3.9CS4-80C, 59 kW / 2500 rpm
Drive & handling — Drive system
Closed hydraulic system for four-wheel driving
Drive & handling — Swing angle of rear axle
±10°
Drive & handling — Steering mechanism
Articulated steering, ±40°
Drive & handling — Travelling braking
Two-circuit hydraulic brake
Drive & handling — Parking braking
Wet multidisc brake of reducer
Drive & handling — Fuel tank
60 L
Drilling capability — Rock drill configurations
HC50: 13 kW, 62 Hz, Φ32-76 mm; 18U: 18 kW, 57 Hz, Φ42-89 mm; HC95LMH/22U: 21/22 kW, 62/53 Hz, Φ42-102 mm; drill capacity: 0.8 / 1.1 m/min
Drilling capability — Beam rotation
360°
Drilling capability — Feed extension
1600 mm
Drilling capability — Model of drill boom
K 26F
Drilling capability — Form of drill boom
Self-leveling
Drilling capability — Boom extension
1200 mm
Engine & drive — Electric motor (power unit)
45 kW / 55 kW / 75 kW
Engine & drive — Impact / feed / positioning pump
Axial variable displacement piston pump
Engine & drive — Rotation pump
Gear pump
Engine & drive — Filter fineness
10 μm
Engine & drive — Hydraulic oil tank
240 L
Engine & drive — Hydraulic cooler
Water cooler
Engine & drive — Working voltage
380 V
Engine & drive — Frequency
50 Hz
Engine & drive — Starting method
Star-triangle
Engine & drive — Cable specifications
3×35+3G6 / 3×50+3G10
Optional large-tunnel version
Maximum working section 7.6 × 7.4 m (W × H)
Optional rock-bolt version
2.2 m-deep rock bolts in a 4 m-high tunnel
Optional equipment: auxiliary cab
Provides safe protection and a comfortable working environment
Drilling capability — Rod size
R38 / T38
Tunnel working range
12-35 m²

KJ314 →

Drilling capability — Rock drill
1×HC50
Drilling capability — Hole diameter
Φ32-76 mm
Drilling capability — Impact power
13 kW
Drilling capability — Impact frequency
62 Hz
Drilling capability — Rod size
R38
Drilling capability — Drilling depth & rod
1000 mm: R38-H35-R32-1350; 1500 mm: R38-H35-R32-1850
Drilling capability — Boom model
K25; Telescopic
Drilling capability — Boom extension
1200 mm
Drilling capability — Feed beam
Rotation 360°; extension 850 mm
Engine & drive — Chassis engine
Cummins B3.9CS4-130C, 96 kW / 2500 rpm
Dimensions & weight — Dimensions (L × W × H)
8200 × 1780 × (2000/3000) mm
Dimensions & weight — Weight
approx. 12000 kg
Drive & handling — Steering & axle
Articulated steering, ±35°; rear axle swing ±6°
Drive & handling — Travel & parking brakes
Multidisc brake
Drive & handling — Safety canopy & noise
Lifting roof: FOPS & ROPS certified; noise < 100 dB(A)
Mud & hydraulic — Impact/feed/positioning pump
Axial variable displacement piston pump
Mud & hydraulic — Rotation pump
Gear pump
Mud & hydraulic — Hydraulic oil system
Tank 240 L; filtration 10 μ; Wind cooler
Mud & hydraulic — Fuel tank
170 L
Tooling & air — Air compressor
0.3 m³/min; 3-5 bar
Tooling & air — Water pump
3 m³/h
Tooling & air — Shank lubrication
Electronic pulse lubrication pump; oil 180-250 g/h
Performance & mobility — Travel speed
10 km/h
Performance & mobility — Gradeability
25% (14°)
Performance & mobility — Drive system
Four-wheel driving with closed hydraulic system

KJ421 →

Dimensions & weight — Overall dimensions (L × W × H)
13000 × 2200 × (2400/3100) mm
Dimensions & weight — Weight
approx. 22000 kg
Dimensions & weight — Tramming speed on flat ground
10 km/h
Dimensions & weight — Maximum climbing capacity
25% (14°)
Noise level
< 100 dB(A)
Lifting safety roof
FOPS & ROPS certified
Tooling & air — Air compressor
DLGF 1.5/8-11(B)
Tooling & air — Capacity of air compressor
1.55 m³/min
Tooling & air — Pressure
8 bar
Tooling & air — Device of shank lubrication
Electronic pulse lubrication pump
Tooling & air — Oil consumption of lubrication
2×180-250 g/h
Tooling & air — Air consumption of lubrication
2×0.3 m³/min
Tooling & air — Water pump (printed power / capacity options)
Power: 7.5 kW; Capacity: 10 m³/h
Drive & handling — Diesel engine
Cummins B3.9CS4-130C, 96 kW / 2500 rpm
Drive & handling — Drive system
Hydraulic torque converter + gearbox
Drive & handling — Travelling braking
Wet bridge brake
Drive & handling — Parking braking
Mechanical brake
Drive & handling — Fuel tank
120 L
Drilling capability — Rock drill
2× HC95LMH / 22U; rod size R38 / T38; impact power 21 kW / 22 kW; impact frequency 62 Hz / 53 Hz; hole diameter Φ42-102 mm
Drilling capability — Beam rotation
360°
Drilling capability — Feed extension
1600 mm
Drilling capability — Model of drill boom
K 40
Drilling capability — Form of drill boom
Self-leveling
Drilling capability — Boom extension
1800 mm
Engine & drive — Motor
2×75 kW
Engine & drive — Impact / feed / positioning pump
Axial variable displacement piston pump
Engine & drive — Rotation pump
Gear pump
Engine & drive — Filter fineness
10 μ
Engine & drive — Hydraulic oil tank
400 L
Engine & drive — Hydraulic cooler
Water cooler
Engine & drive — Working voltage
380 V
Engine & drive — Frequency
50 Hz
Engine & drive — Starting method
Star-triangle
Engine & drive — Cable specifications
3×120+3G25
Tunnel working range
16-68 m²

KJ422 →

Dimensions & weight — Overall dimensions (L × W × H)
15000 × 2550 × (2400/3100) mm
Dimensions & weight — Weight
Appr. 28000 (excluding the workbench) kg
Dimensions & weight — Tramming speed on flat ground
10 km/h
Dimensions & weight — Maximum climbing capacity
25% (14°)
Noise level
< 100 dB(A)
Lifting safety roof
FOPS & ROPS certified
Tooling & air — Air compressor
DLGF 1.5/8-11(B)
Tooling & air — Capacity of air compressor
1.55 m³/min
Tooling & air — Pressure
8 bar
Tooling & air — Device of shank lubrication
Electronic pulse lubrication pump
Tooling & air — Oil consumption of lubrication
2×180-250 g/h
Tooling & air — Air consumption of lubrication
2×0.3 m³/min
Tooling & air — Water pump (printed power / capacity options)
Power: 7.5 kW; Capacity: 10 m³/h
Drive & handling — Diesel engine
Cummins B3.9CS4-130C, 96 kW / 2500 rpm
Drive & handling — Drive system
Hydraulic torque converter + gearbox
Drive & handling — Travelling braking
Wet bridge brake
Drive & handling — Parking braking
Mechanical brake
Drive & handling — Fuel tank
120 L
Drilling capability — Rock drill
2× HC95LMH / 22U; rod size R38 / T38; impact power 21 kW / 22 kW; impact frequency 62 Hz / 53 Hz; hole diameter Φ42-102 mm
Drilling capability — Beam rotation
360°
Drilling capability — Feed extension
1600 mm
Drilling capability — Model of drill boom
K 50
Drilling capability — Form of drill boom
Self-leveling
Drilling capability — Boom extension
2000 mm
Engine & drive — Motor
2×75 kW
Engine & drive — Impact / feed / positioning pump
Axial variable displacement piston pump
Engine & drive — Rotation pump
Gear pump
Engine & drive — Filter fineness
10 μ
Engine & drive — Hydraulic oil tank
400 L
Engine & drive — Hydraulic cooler
Water cooler
Engine & drive — Working voltage
380 V
Engine & drive — Frequency
50 Hz
Engine & drive — Starting method
Star-triangle
Engine & drive — Cable specifications
3×120+3G25
Tunnel working range
16-95 m²

Configuration & customization

Each rig can be configured to your project. Standard and optional packages include:

  • Wireless remote control
  • Auto rod changer

Frequently asked questions

How do I choose between KJ212i and KJ311i?

Compare the two rows in the model table above — focus on hole diameter, drilling depth and power against your project conditions. Our team can confirm the match for your site.

What applications is this series suited to?

Underground mining, Development drilling, Tunnel face drilling.

Can the equipment be configured to my project?

Yes — standard and optional packages are listed under Configuration & customization above. Send your project details through the inquiry form and we will confirm the matching configuration.

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