7.5 Ton XCMG 3-Series Motor Grader — Weichai WP4.1 74 kW
7.5-ton 3-Series motor grader — the lightest grader in the XCMG export range. Weichai WP4.1 main engine, 74 kW at 2,200 rpm (about 100 HP), EU Stage III emission. 3,048 x 450 mm blade — narrowest in the XCMG grader range. Traction force at f=0.75 at least 39 kN, maximum gradeability at least 25 percent, minimum turning radius 6.0 m (tightest in the XCMG grader range). Six forward gears (5, 8, 11, 17, 24, 38 km/h) and three reverse gears. Standard dimensions 7,230 x 2,375 x 3,150 mm. Sized for rural road, farmland improvement, and smaller municipal work where 11.2-ton D-Series GR135 is oversized.
The GR1003 is a 7.5-ton 3-Series motor grader and the lightest grader in the XCMG export range. Sized for ground leveling, ditching, slope scraping, bulldozing, scarification, and snow removal on highways, airports, farmlands, urban and rural road construction, water conservancy projects, and farmland improvement. The Weichai WP4.1 main engine delivers 74 kW at 2,200 rpm (about 100 HP) with EU Stage III emission compliance. The 3,048 x 450 mm blade is the narrowest in the XCMG grader range — 17 percent narrower than the 3,660 mm D-Series blade. Six forward gears top out at 38 km/h with three reverse gears, traction force at f=0.75 is at least 39 kN, maximum gradeability at least 25 percent, minimum turning radius 6.0 m. Dimensions are 7,230 x 2,375 x 3,150 mm. Choose GR1003 for rural road, farmland, and smaller municipal projects where the GR135's 11.2-ton weight class is oversized. Lower transport weight and tighter 6.0 m turning radius matters where road permits, narrow site lanes, or trailer payload limits are the binding constraint.
Five aspects of the GR1003 that fit it to lightweight 3-Series motor grader work: lightest in the XCMG range, Weichai WP4.1 powertrain, tightest 6.0 m turning radius, sibling positioning vs the GR135, and parts compatibility across the XCMG grader range.
7.5-ton machine weight is the lightest XCMG grader for export — 33 percent lighter than the D-Series GR135 (11.2 t) and 56 percent lighter than the heavy-duty GR215A (16.1 t). Lower trailer payload requirement, simpler road permits for inter-site transit, faster setup on small rural and farmland sites.
Minimum turning radius 6.0 m — 0.6 m tighter than the D-Series GR135's 6.6 m and 1.3 m tighter than the GR215's 7.3 m. Fits narrow rural lanes, farmland tracks, and tight municipal sites where larger graders cannot complete the working profile without reversing.
Weichai WP4.1 main engine, 74 kW at 2,200 rpm (about 100 HP), EU Stage III emission. WP4.1 is a 4.1-liter Weichai platform widely fielded across China commercial and construction-equipment markets. EU Stage III certification — same emission tier as the mining-class GR3005T Pro and 5-Series GR2605AT, versus EU Stage II on the D-Series.
Specified for ground leveling, ditching, slope scraping, bulldozing, scarification, and snow removal on highways, airports, farmlands, urban and rural road construction, water conservancy, and farmland improvement. Light weight class fits rental fleet operators serving small contractors and municipalities, plus farmland and small-site work where the D-Series is oversized.
Blade components, hydraulic fittings, cab parts, and articulated chassis components share core part numbers with the D-Series (GR135, GR165, GR180, GR215, GR215A), 5-Series (GR2605AT), mining-class (GR3005T Pro), and 3-Series GR2403 XCMG graders. Genuine XCMG parts and service available through me-equipment.com's authorized dealer channel.
| Parameter | Unit | Value |
|---|---|---|
| Engine model | - | Weichai WP4.1 |
| Rated power / speed | kW/rpm | 74 / 2200 |
| Machine dimension (L×W×H, standard) | mm | 7230 × 2375 × 3150 |
| Machine weight (standard) | kg | 7500 |
| Drive speed, forward | km/h | 5, 8, 11, 17, 24, 38 |
| Drive speed, reverse | km/h | 5, 11, 24 |
| Traction force (f=0.75) | kN | ≥ 39 |
| Maximum gradeability | % | ≥ 25 |
| Minimum turning radius | m | 6 |
| Blade length × height | mm | 3048 × 450 |
| Emission standard | - | EU Stage III |
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