Product Details:
Key Features and Applications
High-Torque Cummins Power Plant
Driven by a turbocharged Cummins QSM11 diesel engine producing 261 kW (350 HP) at 2,100 rpm, the GR3505TPro provides high torque reserves for heavy load handling. Balanced with the grader’s 32,000 kg operating mass, the powertrain delivers a tractive force of ≥ 160 kN, sustaining continuous forward push during sudden load surges and deep rock-leveling cuts.
Gear-Driven Tandem Rear Axle and Multi-Speed Transmission
The machine utilizes a dedicated mining drive rear axle featuring gear-driven tandems rather than drive chains, minimizing mechanical wear and reducing routine maintenance requirements. Matched with a heavy-duty power shift transmission offering 6 forward speeds (5 to 45 km/h) and 3 reverse speeds (5 to 30 km/h), the drivetrain delivers controlled speed across rough ground and haul road transit.
Overload-Protected Moldboard and Slewing Mechanism
Constructed from high-strength structural steel, the 4,877 mm moldboard assembly is supported by a high-strength slewing bearing and a friction-disc worm gearbox. When the blade strikes immovable boulders or embedded bedrock on open-pit mine haul paths, the overload clutch slips automatically to protect hydraulic cylinders and drive gears from severe shock loading.
Optimized Thermal Cooling Architecture
The power compartment layout incorporates flow-analyzed cooling passages and sealed radiator perimeter clearances to create a chimney effect air duct design. This configuration prevents hot air recirculation, maintaining stable operating temperatures for the hydraulic circuits, transmission, and engine under continuous high-load mining duties.
Enclosed Operator Station with Dual-Lever Controls
The cab features an enclosed protective structure with an integrated fresh air pressurization and high-capacity climate control system to seal out airborne dust. Operators manage grading functions via an electric double-lever control system and an intuitive central panel, reducing physical operating intensity during long working shifts.
Technical Specifications
| Parameter | Specification |
| Machine Model | GR3505TPro |
| Equipment Category | Mining Road Motor Grader |
| Operating Weight (Standard) | 32,000 kg |
| Engine Model | Cummins QSM11 |
| Rated Engine Power | 261 kW (350 HP) |
| Rated Engine Speed | 2,100 rpm |
| Forward Travel Speeds | 6 gears (5, 8.5, 13, 20, 30, 45 km/h) |
| Reverse Travel Speeds | 3 gears (5, 13, 30 km/h) |
| Maximum Tractive Force (f = 0.75) | ≥ 160 kN |
| Maximum Gradeability | ≥ 30% |
| Hydraulic Working System Pressure | 25 MPa |
| Transmission Operating Pressure | 1.6 ± 0.2 MPa |
| Tire Specification | 23.5R25 |
| Tire Inflation Pressure | 475 kPa |
Dimensions and Operating Range
| Dimensional & Working Parameter | Technical Data |
| Overall Dimensions (Length × Width × Height) | 11,320 × 3,400 × 4,100 mm |
| Moldboard Dimensions (Length × Chord Height) | 4,877 × 686 mm |
| Maximum Blade Lift Height Above Ground | 470 mm |
| Maximum Blade Cutting Depth | 660 mm |
| Maximum Blade Lateral Tilt Angle | 90° |
| Blade Cutting Angle (Front / Rear) | 40° / 5° |
| Circle Slew Rotation Angle | 360° |
| Minimum Turning Radius | 9.6 m |
| Maximum Front Wheel Steering Angle | ±48° |
| Maximum Front Wheel Tilt Angle | ±17° |
| Maximum Front Axle Oscillation Angle | ±15° |
| Maximum Balance Box Oscillation Angle | Front 15° / Rear 15° |
| Maximum Frame Steering Angle | ±23° |
Supplier Support and Procurement Services
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Genuine Spare Parts Supply: Supply support covers replacement wear components, moldboard cutting edges, end bits, circle drive wear parts, and hydraulic maintenance filters.
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Commercial Export Coordination: Direct factory-aligned quotations, technical parameter verification, and procurement consultation for mining contractors and equipment dealers.
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Technical Documentation: Operation manuals, hydraulic schematics, and remote technical consultation to support equipment servicing and maintenance.
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International Shipping Logistics: Export packaging, heavy equipment containerization, and international sea freight management for port-to-port delivery.
Frequently Asked Questions
What engine powers the CNFORCE GR3505TPro motor grader?
The GR3505TPro is powered by a turbocharged Cummins QSM11 diesel engine rated at 261 kW (350 HP) at 2,100 rpm, delivering the torque required for heavy-duty earth and rock grading.
What are the moldboard dimensions and working capabilities of the GR3505TPro?
The standard moldboard measures 4,877 mm in length and 686 mm in chord height. It provides full 360-degree rotation, a maximum blade lift height of 470 mm above ground, and a cutting depth of up to 660 mm.
How does the gear-driven tandem rear axle improve durability?
The mining drive rear axle uses internal gear-driven tandems instead of conventional drive chains, eliminating chain elongation, reducing wear, and improving torque transfer reliability under heavy open-pit mine loads.
How does the overload protection system protect the moldboard in mining operations?
The blade drive circle is fitted with a friction-disc worm gearbox. When the blade strikes buried boulders or solid bedrock, the friction clutch slips automatically to absorb peak shock loads and protect hydraulic cylinders and mechanical drive components from damage.
