· Model: GR1003
· Engine power: 74 kW
· Engine model: WP4.1
· Overall weight: 7500 kg
· Maximum Speed: 38 km/h
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| Main technical performance and characteristics
The GR1003 motor grader is mainly used for ground leveling, ditching, slope scraping, bulldozing, scarification, snow removal for large areas such as highway, airports, farmlands etc. It is the necessary construction machinery for urban and rural road construction and water conservancy construction, farmland improvement and so on.
GR1003 adopt WP4.1 turbocharged diesel engine, Large output torque and power reserve coefficient and low oil consumption.
The transmission box and torque converter are YD13 electric control power shift and fixed axle transmission box produced by Hangzhou gear company. Torque converter has big torque coefficient, wide high efficiency area. It has good combination working characteristics with engine. The transmission box has six forward gears, three backward gears, with neutral start protection function, gear shift controlled by electro-hydraulic, flexible operation, shift without impact, reasonable speed ratio distribution, meet the requirements of various working conditions.
The drive axle is rear axle. The rear axle adopts balanced suspension to ensure the uniform load of two wheels, which is conducive to the full use of its adhesion ability. The main drive of the rear axle is equipped with "NO - SPIN" self-locking differential. If one side of the wheels is slipping, the other side can still deliver its original torque. Therefore, enough traction be can ensured under any road conditions.
SPECIFICATION OF ROAD WHEEL GR1003 100HP MOTOR GRADER |
Item |
Unit |
Parameter Value |
Model |
- |
GR1003 |
|
|
|
Working Parameter |
|
|
Maximum steering angle of front wheel |
° |
±49 |
Maximum slant angle of front wheel |
° |
±17 |
Maximum oscillating angle of front axle |
° |
±15 |
Maximum oscillating angle of equilibrium box |
° |
±16 |
Maximum steering angle of frame |
° |
±27 |
Minimum turning radius |
m |
6 |
Maximum lifting height |
mm |
310 |
Maximum shoveling depth |
mm |
350 |
Maximum lateral inclination angle |
° |
45 |
Cutting angle |
° |
28-70 |
Slewing angle |
° |
120 |
Length x chord height |
mm |
3048 x 450 |
|
|
|
Performance Parameter |
|
|
Forward velocity |
km/h |
5,8,11,17,24,38 |
Reverse speed |
km/h |
5,11,24 |
Tractive effort f=0.75 |
kN |
≥39 |
Maximum gradeadbility |
% |
≥25 |
Inflation pressure of tires |
kPa |
300 |
Working system pressure |
MPa |
16 |
Transmission pressure |
MPa |
1.3-1.8 |
|
|
|
Engine Parameter |
|
|
Model |
- |
Weichai WP4.1 |
Engine rated power |
kW |
75/2200 |
|
|
|
Dimension Parameter |
|
|
Overall dimensions |
mm |
7130*2375*3150 |
Tire specification |
- |
16/70-24/13.00-24 |
Ground clearance (front axle) |
mm |
550 |
Space of front and rear axles |
mm |
5135 |
Space of middle and rear wheels |
mm |
1900 |
Total Weight |
kg |
7500 |
|
|
|
Oil Filling Amount |
|
|
Coolant |
L |
50 |
Fuel tank |
L |
260 |
Engine |
L |
18 |
Transmission |
L |
26 |
Balance box |
L |
- |
Drive axle |
L |
28 |
Hydraulic oil |
L |
89 |

KOMATCO Industrial Equipment (Zhengzhou) Co., Ltd. is a leading Chinese construction machinery exporter, affiliated with KOMATCO INDUSTRY LIMITED, located in the downtown of Henan City. Since our company was founded, we persistently introduce excellent Chinese construction machinery to international markets. We make more international customers know and approbate Chinese machinery, and gradually build up friendship with industrial customers all over the world.
Our strengths are as follows:
(I) 16 years professional experience in international trading and rich knowledge in construction machinery & heavy equipment industry, which enable us to turn customer inquiries into final products and export them to numerous countries and regions without barriers;
(II) Proactive and high educated sales team with international vision, speaking fluent multiple languages, such as English, Spanish, Portuguese, Russian, Arabic and French etc.;
(III) Strong long term dealership from various top manufacturers, assuring that all our products are original brand new ones with competitive price;
(IV) Excellent logistics services (by sea, air, railway or road), ensuring timely delivery of consignments all over the world;
(V) Comprehensive after-sales service, including one-year warranty, spare parts supply, installment and maintenance, training and technical advice;
(VI) Expertly managed ERP system and coordinated quality control system to satisfy various project requirements.
KOMATCO has passed the international quality management system of ISO9000, CE, SGS, UL and other products certification. Our export revenue increases constantly every year, and our products have already entered 168 countries across the continents of Africa, Middle East, South America, Oceania, Middle Asia, Southeast Asia, and East Europe. We sincerely hope to cooperate, develop together and build a good future with you.
KOMATCO, your genuine and professional.








