TY220A(D85E-18) is a new type crawler bulldozer with advanced world levels. It is equipped with turbocharged Chongqing Cummins NT855 type diesel engin, even at high altitudes up to 3000 meters, the rated output power can still be kept without any fuel injection adjustmetn.
TY220A bulldozer adopts hydrauic transmission, hydraulic controlling servo mechanism, so the controlling is very maneuverable.
TY220A provides you with high-power, low fuel consumption, high quality crawler bulldozer.

ENGINE
Model: CUMMINS NT885
Type: Turbocharged, Water-cooled Vertical, four-stroke
Number of cylinders-bore×stroke: 6-139.7×152.4mm
Piston displacement: 14010ml
performance:
Flywheel horsepower: 162KW(220HP)
Rated speed: 1800r/min
Max torque: 1050N. M/1250r/min
Fuel consumption ratio: <=234g/Kw. H
Performance of a standard engine equipped with fan, air cleaner, alternator, water pump.
Lubricating oil pump and fuel pump.
Starting method: Electric starting motor
Starting motor: 24V, 11KW
Cooling system: Forced circulation-by Centrifugal pump, pusher type fan
Air cleancer: Dry. Horizontal type with precleaner
TRANSMISSION
POWER TRANSMITTING SYSTEM:
Torque converter:
Type: 3-element. Single-stage. Single-phase
Cooling method: water-cooled
Transmission:
Type: planetry gear. Multiple-disc clutch
hydraulic actuated, hand operated, forced
lubrication by gear pump
Gearshift: 3 forward and 3 reverse speeds.
Bevel gear shaft: Spiral bevel gear splash
Lubrication
Max draw bar pull: 450KN
STEERING
STEERING SYSTEM:
Steering clucth: Wet type, multiple-disc clucth type, spring pressured, hydraulically actuated, hand operated.
Steering brake: Wet type. Hand brake, foot operated(with hydraulic booster),
interconnected with clutch.
FINAL DRIVE
Final drive: spur gear, double reduction, splash lubrication.
TRACK ROLLER FRAME
Suspension: oscillation-type, equalizer bar
TRACK
Tracks:
Type: Assembled type, single grouser
Grouser contact area: 37210cm2
Ground pressure: 66.7KPa
Ground clearance: 405mm
WEIGHT
Operating weight: 24330kg(Tilt dozer)
HYDRAULIC CONTROLS
HYDRAULIC CONTROL SYSTEM:
Rated pressure: 13.7 MPa
Hydaraulic pump:
Type: Gear pump
Delivery: 162L/1000rpm
Control valve type: Hydraulic control plunger
Valve position: Raise, hold, lower, float
Hydraulic cylinder: Double acting, pistion type