Technical Parameter
| Conventional parameters | |
|---|---|
| Equipment Model | SD7 |
| Model Abbreviation | 7 |
| Equipment Type | High Drive Bulldozer |
| Operating Weight (kg) | 23800 |
| Gradient Ability (°) | 30/25 |
| Ground Pressure(kPa) | 71.9 |
| Engine | |
| Model | CumminsNTA855-C280S10 |
| Flywheel Power (kW) | 169 |
| Rated Speed (r/min) | 2100 |
| Fuel Consumption Rate (g/kW·h) | ≤235 |
| Machine Dimensions | |
| Machine Length (mm) | 5677（With looseners7616） |
| Machine Width (mm) | 3500 |
| Machine Height (mm) | 3402 |
| Track Shoe Width (mm) | 560 |
| Minimum Ground Clearance (mm) | 404 |
| Hydraulic System | |
| Hydraulic Pump Type | High pressure gear pump |
| Flow Rate (at Rated Speed) (L/min) | 194 |
| Rated Working Pressure (Mpa) | 18.6 |
| Transmission System | |
| Torque converter() | External shunt type hydro-mechanical torque converter |
| Transmission() | Transmission with planetary gears，Powershift transmission。Forward three speeds、Three reverse gears。Quick change of gears and direction |
| Steering Clutch() | Steering clutch of non-adjustable type、Wet multi-disc、Hydraulically pressurized non-adjustable clutch |
| Steering Brake() | Brake clutches are non-adjustable、Wet multi-disc、Disc spring pressurized、Hydraulic disengaging normal release clutches |
| Final Drive() | Final drive with two-pole planetary reduction mechanism，Splash lubrication |
| Number of Carrier Rollers (per side) | 7 |
| Track Shoe Pitch (mm) | 216 |
| Travel Speed 1st Gear (Forward/Reverse) (km/h) | 3.9/4.8 |
| Travel Speed 2nd Gear (Forward/Reverse) (km/h) | 6.5/8.52 |
| Travel Speed 3rd Gear (Forward/Reverse) (km/h) | 10.9/13.2 |