
Specifications
Project | Parameter name | Unit | HFJ28 | HFJ38 |
Body specifications | Total mass | kg | 15000 | 25000 |
full length | mm | 9920 | 9785 | |
Full width | mm | 2600 | 3200 | |
Full high | mm | 3300 | 3500 | |
Bottom plate | Track length | mm | / | 3646 |
Ground contact length | mm | / | 2875 | |
Track center distance | mm | / | 2200 Total outside width 2700 | |
Track width | mm | 350 | 500 | |
Ground clearance | mm | 400 | 400 | |
Track oscillation | 10 | 10 | ||
Walking motor |
| / | Eaton | |
Walking speed | Km/h | 2Low speed3high speed | 1.8Low speed2.95high speed | |
Max. tractive force | KN | / | 170 | |
Grade ability | 20 | 20 | ||
Engine | Model |
| QSL8.9-C360-30 | QSZ13-C450-30(Cummins) |
Type | Water-cooled 6-cylinder EFI diesel engine | |||
Rated power | Kw/RPM | 264/2100 | 335/2100 | |
Fuel tank capacity | L | 450-500 | 760 | |
Hydraulic pump/valve | Main pump |
| / | Plunger variable load sensing pump |
Main valve |
| / | Load sensing valve | |
Manufacturer |
| / | Rexroth | |
Air compressor | Model |
| Atlas Copco | Atlas Copco |
Type | | 2-stage screw air compressor | 2-stage screw air compressor(Dual power) | |
Working pressure | bar | 20 | 20 Medium pressure 25 high pressure | |
Max. air delivery | m3/min | 18.5 | 25.4 | |
Rotary motor | Hydraulic rotation unit |
| / | Double motorEaton |
Rotation rate | rpm | 0-85 | 0-70 | |
Max. rotation torque | N.m | 3300 | 3900 | |
Feeding method |
| Motor drive + sprocket chain type | ||
Fast feeding/lifting rate | m/ min | / | 30 | |
Feeding rate | m/ min | / | 4.7 | |
Max. lifting rate | m/ min | / | 5.5 | |
Feeding force | KN | 12 | 0-30 Adjustable | |
Lifting force | KN | 18 | 30 | |
Advance beam | Length | mm | / | 8500 |
Feeding stroke | mm | 4840 | 5500 | |
Feed extension | mm | 1100 | 1600 | |
Swing angle | / | Left 95right 35 | ||
Boom | Type | mm | / | With telescopic single straight arm (length 570) |
Tilt angle | / | 40(on) ,15(under) | ||
Swing angle | / | Left (side of cab)9right31 | ||
Drill pipe changer | Pipe diameter | mm | 76 | 102/114 |
Pipe length | m | 4 | 5 | |
Drilling diameter | mm | 90-152 | 138-235 | |
Drilling depth | m | 28 | 30 | |
Pipe capacity | 6+1 | 5+1 | ||
Hammer specs | | 4''/5'' | 5''/6'' | |
Filter element quantity/specification | | / | 26 | |
Collecting method | | Full hydraulic dust removal | ||
Dust cover | | / | Fluctuate | |