Dongfeng DF904-9

1. Tractor Specifications

• Model: DF904-9 (China III)

• Drive Type: 4×4 Four-wheel drive

• Dimensions: 4170 × 1845 × 2635 mm

• Operating Mass:

  Cab version: 3070 kg

Safety frame version: 2850 kg

2. Engine

• Type: Inline 4-cylinder, 4-stroke, water-cooled, turbocharged with intercooler, direct injection

• Common Brands/Models: Changchai 4G33V16-90G31C, Yuchai YC4D105-T301, Weichai WP2.3NG102E300

• Rated Power: 66.2 kW (90 HP)

• Rated Speed: 2300 r/min

3. Transmission System

• Clutch: Dry, independent control dual-acting clutch

• Transmission: 12F + 12R shuttle shift (standard)

• Main shift: 4-speed

• Auxiliary shift: 3-speed (High / Medium / Low)

4. Hydraulics & Hitch

• Hitch System: Rear Category II 3-point linkage

• Lift Control: Mixed force and position control, forced lift & forced drop

• Hydraulic Remote Valves: Dual remote outputs

• Hydraulic Oil Supply: Independent hydraulic oil tank

5. Power Take-Off (PTO)

• Type: Fully independent

• Standard Speed: 540 / 730 r/min

• Optional Speeds: 540/1000 r/min or 540/860 r/min

• Spline: 8-tooth, outer diameter 38 mm

6. Running Gear & Steering

• Tire Specifications (Standard): Front: 9.5-24, Rear: 14.9-30

• Steering System: Full hydraulic steering, with differential lock

• Brake: Wet disc brake

• Fuel Tank Capacity: 82 L