Bulldozer D25

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Description

The D25 bulldozer is the heaviest machine based on the D25 tractor. Equipped with Bosch-Rexroth hydrostatic transmission. The bulldozer is equipped with a YMZ-652 turbocharged engine with a power of 412 hp. The bulldozer and equipment are controlled using joysticks.

Dimensions

Specifications

Video

Undercarriage

Type	linear, three-point support of crawler trucks with equalizer beam
Frame	load-bearing structure made of HSS steel, high welding accuracy
Track rollers	lifetime lubricated, on sliding bearings (journals)
Number of track rollers	7 bottom rollers + side sprocket / 2 carrier rollers on each side
Track chain	41 track shoes
Track shoe width	560 mm
Track shoe grouser	80 mm
Bearing area	3.93 m²
Track adjuster	hydraulic

Transmission

Type	hydrostatic with electronic control
Transmission	hydraulic pump coupled with hydraulic motor with stepless transmission shift.
On-board gearboxes	planetary (PMP, Italy)
Control	electric and hydraulic servo
Brake system	hydraulic (pilot-operated check valve), normally closed multiple-disc clutches

Engine

Type	YMZ-652, turbocharged
Power, kW/hp	303/412
Operating volume	11,12 l
Generator	24V/55A
Storage battery	212V/ 2132Ah
Pre-heating with autonomous heating function	Webasto Thermo E 320

Implement Control

Type	hydraulic, separate for each device
Hydraulic pump	Hydrosila NSh-100 Output: 200 l/min Max pressure: 20 MPa
Control valve	sectional (Belarus)
Filtration	double filtration: at suction, full-flow at discharge

Cab and Control

Cab	hexagonal, improved visibility, with springs, twindow insulation, climate control system (heating and ventilation), cab air circulation, enlarged cab filter, circulation air filter, windscreen, rear window and door window wipers and washers, sun blind
Seat	ergonomic, with springs, two-point seat belt, seat switch
Safety	ROPS/FOPS, open door fixation
Travel and attachable implement control	4-position joysticks

Filling Values

Cooling system	80 l
Fuel tank	680 l
Engine lubrication system	35 l
Transmission and implement hydraulic system	200 l

Parameters under Load

Speed limit at 2100 rpm, km/h

forward � 11, backward � 11;

Bulldozer D25

Description