SDLG Motor Grader G9138 for Sale — 12 ft Blade, 141 HP
The SDLG G9138 is a 12.1-tonne articulated motor grader powered by a Weichai WP6G140E22 engine delivering 105 kW (141 HP) and 600 N·m of torque. It features the ZF 6WG158 6F+3R full-automatic transmission, SDLG heavy-duty drive axles, and a 16 MPa hydraulic system. The 3,048 mm (12 ft) moldboard blade achieves 360° rotation, 715 mm maximum cutting depth, and 480 mm above-ground lift. With ±25° frame articulation, ±15° front axle oscillation, and a 5,815 mm wheelbase, the G9138 delivers unmatched stability and grading precision.
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Product Details
SDLG — G9138 / G9138H
The SDLG G9138 motor grader combines the 105 kW (141 HP) Weichai WP6G140E22 engine with a ZF 6WG158 full-automatic transmission and an articulated frame for superior grading performance. A 3,048 mm (12 ft) moldboard blade, heavy-duty SDLG drive axles, 16 MPa hydraulic system, and ROPS/FOPS certified cab make this machine a reliable, cost-effective solution for road construction, land levelling, ditching, and slope finishing. CEV-IV (China Phase III) emissions compliant. Factory-direct pricing — contact us for a quotation.
Basic Information
Engine & Transmission
Blade & Hydraulic Performance
Drive Axle & Chassis
Key Features
The Weichai WP6G140E22 turbocharged diesel engine delivers 105 kW (141 HP) and 600 N·m of torque from a 6.75 L displacement. CEV-IV (China Phase III) emissions compliant with low fuel consumption and proven reliability.
6 forward + 3 reverse gears with fully automatic shifting from German ZF technology. Smooth power delivery, reduced operator fatigue, and optimal speed matching for grading, ditching, and transport — up to 34 km/h forward.
Purpose-built SDLG drive axle with high load capacity and increased ground clearance. Designed for the sustained torque loads and high lateral forces typical of heavy grading operations, ensuring long service life.
A robust gear-pump hydraulic system operating at 16 MPa provides ample force for blade positioning, circle rotation, and attachment control. 110 L hydraulic oil tank ensures thermal stability during continuous-duty operations.
The articulated frame with ±25° articulation and ±15° front axle oscillation keeps all six wheels firmly on the ground, delivers a tight 6.5 m turning radius, and maintains excellent grading accuracy even on uneven terrain.
A 5,815 mm wheelbase and 1,900 mm tread width deliver a low centre of gravity and exceptional fore-aft stability. The long chassis design minimises blade bounce during high-speed grading passes for consistently smooth surface finish.
Fully enclosed ROPS/FOPS certified cab with air conditioning, digital instrument panel, ergonomic controls, and excellent all-round visibility. Operator comfort is prioritised for long-shift productivity on road construction and mine maintenance sites.
The 3,048 × 565 × 16 mm moldboard blade achieves full 360° rotation via hydraulically operated circle drive, with a 90° tip angle. 715 mm maximum cutting depth and 480 mm above-ground lift make it highly versatile for ditching, slope finishing, and crown cutting.
The combination of 12.1-tonne operating weight, Weichai 600 N·m diesel torque, ZF automatic transmission, and SDLG drive axle produces 75.4 kN of maximum drawbar pull — sufficient for heavy blading, ripping, and towing operations on job sites.
Interested in the SDLG G9138 Motor Grader?
Factory-direct pricing, pre-shipment QC, worldwide DDP delivery.
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