Bulldozer

Overview

SD22 Standard Bulldozer is developed with mature patented technology, equipped with 235HP strong power output. It features high performance and long service life, supporting various working tools and cab configurations, being ideal 235HP construction equipment for earth-rock works and bulk material pushing. Application Scenario: General road engineering, mine auxiliary construction, earth-rock excavation and ordinary bulk material handling. Core Advantages: 235HP steady power, durable body, rich accessory options, low maintenance cost and high working efficiency.

Description

Power system

Equipped with WP12/QSNT-C235 electronic control engine, compliant with China Stage III off-road emission standard, delivers 235HP strong power, energy-saving and low maintenance expense;

Large torque reserve coefficient, rated power reaches 175kW (235HP), guarantees stable output under heavy load;

Adopts radial seal air intake structure, effectively prolongs whole service life of 235HP power assembly.

Work adaptability

Stable mature chassis system, adapts to multiple severe working environments, matches 235HP power to realize high-efficiency operation;

Long ground contact length and high ground clearance ensure smooth running and excellent trafficability;

Optional straight blade, U-blade, angle blade, coal blade, rock blade, sanitation blade, ripper and traction frame etc. Standard LED working lamps improve night construction safety, fully exert 235HP power advantage for diverse jobs.

Transmission System

Transmission structure perfectly matches 235HP engine power curve, wider high-efficiency working range and higher power transmission efficiency.

Self-developed transmission assembly passed long-term market verification, stable performance and reliable quality to bear long-term 235HP power load.

Driving environment

Hexahedral spacious cab with wide vision, optional FOPS/ROPS protection structure, safe and comfortable for long-hour 235HP bulldozer operation;

Electric hand & foot throttle control enables precise and easy operation;

Built-in intelligent control display, heating and cooling air conditioner, real-time check 235HP power system status, humanized and intelligent design.

Maintainability

Main structural parts inherit mature high-quality design, fit long-term 235HP heavy-duty operation;

Whole vehicle wiring harness protected by corrugated pipe with sorted wiring layout, high protection grade.

Large open side shield design greatly simplifies daily inspection and overhaul;

All lubrication and maintenance points are externally arranged, fast and convenient to maintain, ensure continuous stable 235HP power output.

Specification

OVERALL	Dimensions	5460 x3725 x 3395 mm
	Operating Weight	23500 kg
ENGINE	Model	Cummins NT855-C280S10 / QSNT-C235
	Type	Water-cooled, In-line, overhead valve direct injection, turbocharged diesel
	No. of Cylinders	6
	Bore×Stroke	Φ139.7x 152.4 mm
	Piston Displacement	14.01 L
	Rated Power	175 KW (238HP)@1800 rpm
	Max Torque	1030 N`m @1300 rpm
	Specific Fuel Consumption	205g/kW`h
TRANSMISSION	Torque Converter	3-element, 1-stage, 1-phase
	Transmission	Planetary gear type, power-shift, forced lubrication
	Central Drive	Spiral bevel gear, single-stage speed reduction, splash lubrication
	Steering Clutch	Wet, multi-disc, spring-loaded, hydraulically disengaged, hydraulically controlled
	Steering Brake	Wet-type, floating band, foot-operated brake with hydraulic booster
	Final Drive	2-stage spur gear reduction, splash lubricated
TRAVEL SPEED	Gear	1st	2nd	3rd
	Forward	0~3.6 km/h	0~6.5km/h	0~11.2km/h
	Reverse	0~4.3 km/h	0~7.7km/h	0~13.2km/h
UNDERCARRIAGE SYSTEM	Type	Sprung equalizer-type oscillating beam structure, 2 equalizers per side
	No. of Carrier Rollers	2 each side
	No. of Track Rollers	6 each side
	No. of Track Shoes	38 each side
	Track Shoe Type	Single Grouser
	Width of Track Shoe	560 mm
	Pitch	216 mm
	Track Gauge	2000 mm
	Ground Pressure	0.077 MPa
HYDRAULIC SYSTEM	Max. Pressure	14 MPa
	Pump Type	Gear Pump
	Displacement	262 L/min
	Bore of Working Cylinder	120 mm × 2
BLADE	Blade Type	Straight-Tilt Blade	Angle Blade	Semi-U Blade
	Blade Capacity	6.4m³	4.7m³	7.5m³
	Blade Width	3725 mm	4365 mm	3725 mm
	Blade Height	1315 mm	1055 mm	1374 mm
	Max Drop Below Ground	538 mm	535 mm	540 mm
	Max Tilt Adjustment	>735mm	>500 mm	>755 mm
THREE SHANK RIPPER	Max. Digging Depth	666 mm
	Max. Lift Above Ground	555mm
	Weight of 3-Shank Ripper	2495 kg
SINGLE SHANK RIPPER	Max. Digging Depth	695mm
	Max. Lift Above Ground	515mm
	Weight of 1-Shank Ripper	2453kg