Bulldozer DFY-1
Bulldozer has the advantages of advanced structure, labor-savingoperation, low fuel consumption, convenient use and maintenance and reliablequality. It can be equipped with various devices, such as traction frame,coal-pushing shovel, ripper and capstan. Bulldozer is applicable to variousworking conditions. The design of instrument assembly is simple and easy tounderstand, which is used to monitor coolant temperature of the engine, oilpressure, oil temperature of transmission system and electrical instrument.
Features
1) Engine
a) Model: Cummins NTA855-C360
b) Type: four-stroke, turbocharged vertical
2) Rated speed: 2,000r/min
3) Number of cylinders - bore x stroke: 6 ~ 139.7 x 152.4mm
4) Air cleaner: dry horizontal type with pre cleaner
5) Transmission System of Bulldozer:
a) Torque converter: 3-element, single-stage, single phase
b) Transmission: planetary gear, multiple-disc clutch, hydraulic actuated,
forced lubrication by gear pump, 3 forward speeds and 3 reverse speeds
c) Bevel gear: helical bevel gear, splash lubricated
d) Steering clutch: wet, multiple disc clutch, spring loaded, hydraulically
actuated
e) Steering brake: wet, band brake, operated with hydraulic booster and
hydraulic interlocking
f) Final drive: spur gear, double reduction, splash lubrication
6) Hydraulic system of work equipment (Bulldozer):
a) Working pressure: 13.7MPa
b) Rated delivery (2,000r/min): 335L/min
c) Cylinder, bore x rod x stroke: Φ140 x Φ75 x 1,340mm
7) Work Equipment of Bulldozer:
a) Blade type: semi-U blade angle
b) Max. lift above ground: 1,560mm
c) Max. drop below ground: 560mm
d) Pitch adjustment: 55±2°
e) Grade ability: 30°
f) Max. tilt: 1,000mm
