Crawler Bulldozer with C6121 Engine (165HP)

165hp to 320hp tractor bulldozer

Main Features
1. WD165Y bulldozer is equipped with  licensed C6121 engine, which adopts semi-rigid suspended, power shift, hydraulically controlled and swing type of sprayed beam . It is applicable for road construction, water and electricity engineering farmland leveling, port building, mining and other engineering conditions. Also WD165Y can be fitted with winch system and be used in lumbering.
2. WD220Y bulldozer is manufactured base on the technology of Komasu D85A-18 and D85A-23 Japan .It passed the examination of the experts group of shanghai economy committee .Its layout is well designed ,its appearance is nice and modern ,it has a high working performance and is reliable in safety. The machine has used in civil industry widely including large mine ground, port, electricity, road building.
3. WD320Y track type bulldozer is design and manufacture technology is solely imported from D155A-1 track type bulldozer of Komasu. Efficient and Economic, Cummin NTA855-C360 engine with strong traction and low fuel consumption. High efficient in hydraulic mechanical transmission system, excellent function in steering hydraulic operating system, alleviating operation tiredness and improving work efficiency. Comfortable driving operation, hexagon cab, innovative in model, and wide in eyeshot, applying the latest achievement of mechanical and electrical integration with three-stage alarm electron monitor system to ensure machines operating normally. Most reasonable operation system, controlling more nimbly and conveniently.








Specifications:

MODEL	WD165Y	WD220Y	WD320Y
Engine
Model	Shangchai C6121ZG57	Cummin NT855	Cummin NTA855
Type	Straight vertical, 4 stroke, water cooling, direct injection type	Straight vertical, 4 stroke, water cooling, PT pump injection, turbocharged	Straight vertical, 4 stroke, water cooling, PT pump injection, turbocharged
Flywheel power	122 kw	162 kw	239kw
Rated speed	1850 rpm	1800 rpm	2000rpm
Transmission system
Torque converter	3 element, single stage, single phase	3 element, single stage, single phase	3-elements,single stage. single phase
Transmission	Hydraulic shift, planetary gear, multiple disc clutch, forced lubrication by gear pump, 3 forward and 3 reverse speeds	Hydraulic shift, planetary gear, multiple disc clutch, forced lubrication by gear pump, 3 forward and 3 reverse speeds	Hydraulic shift, planetary gear, multiple disc clutch, forced lubrication by gear pump, 3 forward and 3 reverse speeds
Bevel gear	Helical bevel gear, splash lubricated	Helical bevel gear, splash lubricated	Helical bevel gear splash lubricated
Steering clutch	Wet type, multiple disc, spring loaded, hand-operated with booster and hydraulic released	Wet type, multiple disc, spring loaded, hand-operated with booster and hydraulic released	Wet type, multiple disc, spring loaded, hand-operated with booster and hydraulic released
Steering brake	Wet band brake, operated with hydraulic booster and valve inner linkage	Wet band brake, operated with hydraulic booster and valve inner linkage	Wet band brake, operated with hydraulic booster and valve inner linkage
Final drive	Spur gear, double reduction, splash lubricated	Spur gear, double reduction, splash lubricated	Spur gear,double reduction splash lubricated
Working hydraulic system
Working pressure	14 Mpa	13.7 Mpa	13.7Mpa
Rated flow	243 L/min (2000rpm)	257 L/min (2000rpm)	335L/min
Pump	Double gear pump	CBT3160 gear pump	Double gear pump
Control valve	Hand-operated, plunger, servo controlling	Hand-operated, plunger, servo controlling	Hydraulic operated pilot control
Track
Type	Sealed single grouser	Sealed single grouser	Single grouser
Track pitch	203.2 mm	216 mm	228.6mm
Track width	510 mm	560 mm	560mm
Travel speed
Forward speed	3.8/6.6/10.6 km/h	3.6/6.5/11.2 km/h	3.6/6.6/11.5 km/h
Reverse speed	4.9/8.5/13.6km/h	4.3/7.7/13.2km/h	4.3/7.8/13.5km/h
Under carriage
Sprocket	Segmented	Segmented	Segmented
No. of track rollers each side	6 (4 single and 2 double)	6 (4 single and 2 double)	7(5 single,2double)
Track tension	Hydraulic-adjusted	Hydraulic-adjusted	Hydraulic