722-6 Motor Grader

Features of Motor Grader:
1. This 722-6 Motor Grader is equipped with original Cummins engine
2. Single-handle electro-hydraulic controlled power-shift T/M, 6 forward &3reverse shifts makes operation easy and convenient
3. Hydraulic lock, auto lock/unlock NO-SPIN differential guarantees stability and powerful traction
4. Ideal axel load allocation provides excellent stability while cutting hard surface
5. Serviceable, efficient hydraulic system enables every part to be fully used
6. Box-typed frame and advanced T/M enable it to complete heavy-duty work
7. A wide working range is accomplished through flexible blade suspension system and articulated frame

Specifications of Motor Grader:
Overall Dimension
1 Length 9290mm
2 Width 2600mm
3 Height(To the top of the cab) 3600mm
4 Wheel base 6200mm
5 Tread 2120(mm)
Main Technical Specification
1 Operating weight 16400kg
2 Blade length 4320mm
3 Blade height 545mm
4 Blade width 16mm
5 Max lifting height 450mm
6 Max grading depth 535mm
7 Min. turning radius 7400mm
8 Pivot angle frame ±26°
9 Max turning angle(front wheel) ±49°
10 Oscillating angle of front axle 32°
11 Min ground clearance 430mm
12 Cut angle 29-77°
13 Traveling speed(Km/h),6 forward and 3 reverse  
  (1) Ⅰ gear forward 6.8
  (2) Ⅱ gear forward 10.3
  (3) Ⅲ gear forward 15.3
  (4) Ⅳ gear forward 22.7
  (5) Ⅴ gear forward 32
  (6) Ⅵ gear forward 47
  (7) Ⅰ gear reverse 6.8
  (8) Ⅱ gear reverse 15.3
  (9) Ⅲ gear reverse 32
Diesel Engine
1 Model CUMMINS QSB6.7-C220
QSB6.7-C220
2 Type Direct injection. Turbocharged. Water cooling
3 Rated output 164 kW
4 Inter-bore of cylinder/Stroke 107/124  (mm)
5 Total exhaust of cylinder 6.7 (L)
6 Model of starting motor KB-24V
7 Power of start motor 1.68(KW)
8 Voltage of starting motor 24(V)
9 Rated speed 2200(r/min)
10 Max. Torque >800(N.M)
11 Starting type Electric
12 Min. specific fuel consumption <244(g/Kw.h)
13 Engine specific oil consumption 0.95-1.77(g/Kw.h)
14 Net weight 590(kg)
Transmission System
Torque Converter
1 Model WG180 (ZF technology)
2 Type 3-elements.single stage
3 Torque ratio 1.94
4 Cooling type Pressure oil circulating
Transmission Case
1 Model WG180 (ZF technology)
2 Type power shift, single-shift lever, netural-shift lock device
3 Gear shift position  6 Forward and 3 reverse gears
 Axle and Tire
1 Type of main reducer spiral bevel gear, single stage
2 Gear ratio of main reducer 3.583
3 Type of final reducer Single stage chain-drive
4 Gear of ratio of final reducer 3.75
5 Gear ratio 13.436
6 Max. drawing force 84.3KN
7 Tandem drive Double row roller-chains
8 Size of tire 17.5-25-14PR
Working Device Hydraulic System
1 Model of oil pump(include steering pump) CBGj2045/1025
2 System pressure 100(kgf/cm2)
3 Model of distribution valve HUSCO5000-D
4 Hydraulic lock KAYABA technology
5 Model of oil motor EATON, JS-130
Steering  System
1 Type Four Tire deflexion
2 Model of steering gear BZZ1-E160B/ FKA-163022
3 System pressure 16MPa
Brake System
1 Type of traveling  brake Hydraulic assisted and inner-expanding brake
2 System pressure 120(kgf/cm2)
3 Type of parking brake Mechanical and inner-expanding brake
Radiation System
1 Model of oil pump WP15A1B-380L05KA147N
2 Model of motor SKH07-191
Oil Capacity
1 Fuel(diesel) 360L
2 Engine lubricating oil 24L
3 Oil for converter and gear box 28L
4 Oil for hydraulic system 90L
5 Oil for driving rear axles 18L
6 Tandem  box 90L
Inquiry Form
Sinomach Changlin Company Limited
Changlin Import & Export Co., Ltd.
Add: No.898 West Huang He Road, Changzhou city, Jiangsu Province, China
Zip Code: 213136
Tel: +86-519-86781288
Mobile: +86-18206118633
Fax: +86-519-86781387
E-mail:
sales@changlin.com.cn
Service@changlin.com.cn