SD7K Bulldozer Semi-rigid suspended, elevated sprocket, the tier electronic control engine. hydrostatic transmission infinitely variable speed, full power matching, automatic control independent cooling system. Electronically controlled engine with full power matching pattern, low pollution and energy saving; The SD7K bulldozer is integrated with modular design. easy to repair and maintenance; Electric proportion control transmission system and implement pilot hydraulic control, operation accurately and comfortable. Human-computer interaction instrument display, fully sealed air conditioning cab. It can be equipped with angle blade. u-shaped blade, single shank ripper, three shanks ripper and variety of working device; It is an ideal mad-line used in transportation construction, desert, oil field, electric power project mining and other large earth moving program..
- Engine - Cummins (Electronic Injectors)
- Engine Rated Power (185KW, 230HP)
- Operating weight(without ripper) – 25,500
- Pilot joy stick hydraulic control
- Blade width (mm) - 3550
- Dozing capacity – 8.1
SPECIFICATION
| SD7K | |
| Engine | |
| Make | Chongqing Cummins |
| Model | WP12G250E302 |
| Type | Mechanical injector |
| Cooling System Type | Water cooled |
| Turbo Charged | Yes |
| Rated Power (KW/HP) | 230/185 |
| Rated Revolution (rpm) | 2100 |
| Maximum Torque (N.m/rpm) | 1200/750-1400 |
| No. of cylinders | 6 |
| Bore x Stroke (mm) | |
| Displacement (cc) | |
| Fan Drive type | Mechanical |
| Min ground clearance(mm) | 394 |
| Compression ratio | |
| Fuel filter | 2 |
| Fuel System Type | Chongqing Cummins type, mechanical control fuel injection. |
| Electrical | |
| Electrical Alternator | 24V/50A |
| Starting Motor | 8.5KW |
| Battery Rating | 2x12v,120 Ah |
| LED Lights | Yes |
| Power Train | |
| Torque convertor / Clutch | Torque Convertor |
| Type | Power separating hydraulic mechanical type |
| Transmission/Gear Box | |
| Type / Model | Power shift planetary transmission with 3 speeds forward and 3 speed reverse |
| Gear forward (5km/h) | 0-10 |
| Gear backward (5km/h) | 0-10 |
| Max forward speed (5km/h) | 0-10.5 |
| Max reverse speed | 0-10.5 |
| Hydraulic System | |
| Operation type | Pilot hydraulic control |
| Hydraulic pump | Yes |
| Type | Gears oil pump |
| Capacity / Discharge | 160(L/min) |
| Max system pressure (mpa) | 20 |
| Hydraulic cylinders | 6 |
| Type | Two group gears pump |
| Ripper: Bore x Stroke (mm) | |
| Control Valves Type | Pilot operated with joystick control |
| Steering | |
| Type | The steering clutch is hydraulic pressed usually separated clutch |
| Steering Control | Hydraulically operated |
| Under Carriage | |
| Track gauge (mm)/Track pitch | 1980/216 |
| Track rollers (each side) | 7 |
| Carrier rollers (each side) | 1 |
| Track shoes (each side)) | 40 |
| Shoe width (mm) | 560 |
| Ground pressure (kpa) | 77.9 |
| No. of idler (each side) | |
| Filtration | |
| Engine | Replaceable cartridge filter |
| Transmission | One magnetic oil strainer and replaceable element by-pass filter |
| Steering & Braking | One magnetic oil strainer and replaceable element by-pass filter |
| Hydraulic System | Return filter |
| Operating Mass | |
| Operating mass (kg) (approx.) | Without Ripper-25500 |
| BLADE ATTACHMENT 1 | Tilt Semi S blade |
| Overall dozer dimension (mm) | 5876x3550x3402 |
| Blade / Dozing Capacity (Cum) | 8.1 |
| Dozer Blade attachment / Dozing weight (kg) | |
| Blade width (mm) | 3550 |
| Blade height (mm) | 950 |
| BLADE ATTACHMENT (Optional blade) | Coal blade - U type |
| Overall length with dozer | |
| Max. lift above ground / Max lifting height (mm) | |
| Max. drop below ground / Maximum digging depth | 498 |
| Blade / Dozing Capacity (Cum) | 8.1 |
| Mass in (kg) Dozer Blade attachment / Dozing weight | |
| Brake | |
| Type | The braking clutch is pressed by spring, separated hydraulic, meshed type Wet banding structure |
| Control / Actuation type | foot brake, hydraulic booster |
| CABIN | Sealed cabin with air conditioner (optional) with ROPS |
| INSTRUMENTATION | Hour meter, fuel gauge, temperature gauge, battery charge indicator, horn, oil pressure gauge, front light, rear lights, plough lights, indicator lights |
Optional Attachment
1). Stage III engine
2). Air conditioner
3). U blade (Coal blade)
4). 3 shank ripper
5). Single shank ripper
6). Solid waste blade
7). Special machine for solid waste with broad 910mm triangular track plates