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Cummins Diesel Engine Model 6CTA8.3-C230; ZF Transmission;, Brake Valve and Pressure Limit Valve of Germany brand Rexroth;etc. - details see: https://www.machineto.com/py220mh-motor-grader-10117499

Technical data of whole machine

1.1 Weight (kg) (See table 4-1)

(Note: Optional front dozer, back scarifier as well as human and oil which weight included.)

able 4-1

Type	Whole machine	Front axle	Rear axle
PY220MH	15900	4800	11100

1.2 Engine

Grader PY220MH:

Type	Bore/stroke (mm)	Total displacement of the pistons (L)	Rated power /rated power rev. kW/r/min	Max. torque/ max. torque rev. (N.m /r/min)	Working sequence of each cylinder
Cummins 6CTA8.3-215	114/135	8.3	160/2200	872/1500	1-5-3-6-2-4

Note: For details please refer to Operating Instructions for Diesel Engine and the materials supplied with machine will prevail.

1.3 Torque converter –transmission

6WG200 Power-shifting transmission is made up of torque converter-transmission and multi-plate clutch with constant shaft type.

Direction change (power shifting): Forward shifting – idle shifting – Reverse shifting

Speed shifting (power shifting): Forward 6 speeds; Reverse 3 speeds

1.4 Axle

4.5.1 Driving axle

Model: 3-stage driving axle with “no-spin” differential

4.5.2 Driven axle

Model: Oscillating and steering front axle of box type, oscillating angle ±15°, front leaning angle ±17°, steering angle 45°.

Ground clearance from center 630mm

1.5 Tandem box

Model: Oscillating tandem box, oscillating angle ±15°, heavy-duty roller chains.

1.6Speed

Table 4-2

Forward (km/h)						Reverse (km/h)
1st	2nd	3rd	4th	5th	6th	1st	2nd	3rd
5.23	7.94	11.84	17.85	25	40	5.23	11.84	25

1.7 Brakes

4.8.1 Service brake (foot brake)

Pipe system: Brake system consists of one circuit, hydraulic pump and accumulator.

Brake: Pincer-disc brakes are assembled on rear wheels. 4 on two front wheels; 2 on two rear wheels.

4.8.2 Parking brake (hand brake)

Model: Hub brake, mechanically operated on drive shaft of gear box.

4.8.3 Continuous service brake

The torque converter is designed as a continuous service brake.

1.8 Steering system

4.9.1 Front wheel steering

The feature of the structure: Hydraulic oil from oil tank is achieved by gear pump to supply hydraulic steering-gear which distributes hydraulic oil to steering cylinder.

Service pressure: 15MPa

Steering angle: 45°

Turning circle: Without wheel lean 10.9m

With wheel lean 10.4m

4.9.2 Articulation frame

System: The articulation operation between front and rear frame is driven by double acting hydraulic cylinder.

Articulating steering angle: Right and left side 25°

Min. turning circle with articulating steering: 7.9m over the front wheel.

1.9 Hydraulic working system

System: Hydraulic system of double pumps and double circuits.

Control valve: Two valve blocks, each with 5 control valves.

Working pressure: 16MPa

Hydraulic pump: High-pressure and double-gear pump is mounted on power output shaft of transmission case.

Cylinder: Double acting hydraulic cylinders.

1.10 Working equipments

System: Hydraulic adjustment of blade/back ripper and front dozer, ring-gear or rolling plate, scarifier with 6 teeth mounted on blade back.

1.11 Blade turning (Note: when rolling circle is turning grease is filled)

Make: worm gears are driven by hydraulic motor, there are two types of structures, gear ring or rolling plate.

1.12Wheels and tyres

Rims: 14.00/1.5-25 (TB)

Standard tyres on all 6 wheels: 17.5-25 PR12

1.13 Front and rear frames

Construction: Front frame – steel beam structure, its section is pressed into U-sleeve, welded like box. Rear fame – solid beams welded in two sides.

1.14 Driver’s cab

Structure: Design of steel weldment structure conforms to ISO3471: 1994, ISO3499: 1992 standard. The driver’s cab is ROPS/FOPS, two sliding doors.

4.15.1 Driver’s seat

Model: Spring mounted, vibration absorbing, adjustable in horizontal and vertical position and in back rest inclination.

4.15.2 Air conditioning system

The system is matched according to the user’s requirement. The air conditioners are heating and cooling devices designed specially for engineering machinery.

Before using air conditioner (for heating or cooling), please read the instruction of air conditioner carefully. (see 7.10.13)

1.15 Electrical system

Working voltage: 24V

Batteries: Each two 12V storage batteries are used in series,the storage cell is the dry type exempts maintains.

Lights: head lights 2 (far-light, near-light, steering light, working light); steering light 2, tail lights 2(brake, steering, reverse, working light); working lights 4.

Sound signal: horn