Rigid dumper/ Rock truck HD785-7 HD785-7 Off-Highway Rigid Dump Truck Komatsu
Price on request
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Rigid dumper/ Rock truck HD785-7 HD785-7
Price on request
Description
The Komatsu HD785-7 is a high-performance, off-highway rigid dump truck built for heavy-duty mining and construction operations. Powered by a 12-cylinder, 30.48L SAA12V140E-3 diesel engine, it delivers a gross power of 1200 HP (895 kW) and complies with U.S. EPA Tier 2 emission standards. The engine is turbocharged, after-cooled, and water-cooled, ensuring reliable operation under demanding conditions.
? Engine & Performance
Engine Model: Komatsu SAA12V140E-3
Type: 4-cycle, water-cooled, turbocharged, after-cooled
Displacement: 30.48 L (30,480 cc)
Cylinders: 12
Gross: 895 kW / 1200 HP
Net: 879 kW / 1178 HP
Maximum Torque: 5080 Nm
Cooling System: Water-cooled
⚙️ Transmission & Drive
Gearbox: 7 forward / 2 reverse gears (RH & RL)
Transmission Type: Fully automatic, planetary gear
Lockup Clutch: Wet, multi-disc
Drive: Rear-wheel drive with full-floating axles
? Weights & Capacities
Operating Weight (GVW): 163,780 kg
Empty Vehicle Weight (EVW): 72,000 kg
Payload Capacity: 91.7 metric tons
Fuel Tank Capacity 1308 L
Hydraulic Tank Capacity: 175 L
Brake Oil (control): 36 L
? Braking & Suspension
Brakes: Oil-cooled multiple disc brakes (front & rear)
Retarder: Integrated in brakes (4-wheel)
Parking Brake: Spring-applied, all-wheel
Suspension: Hydropneumatic with 3-mode automatic (optional)
? Electrical & Battery
Battery: 4 x 12V / 170 Ah
Alternator: 90 A / 24V
Starters: 2 x 7.5 kW
? Body & Frame
Material: High-tensile steel (400 Brinell hardness)
?✈️ Operator Comfort & Safety
Cab: ROPS/FOPS certified, sound-suppressed
Visibility: Rearview mirrors, under mirrors, optional camera
Seat: Suspension type with seatbelt (air suspension optional)
Steering: Power steering with 2 cylinders; secondary steering included
Noise Level: 75 dB(A) at operator's ear
? Technology & Features
KOMTRAX Plus: Advanced monitoring & diagnostics system
Payload Meter (PLM): Optional, for real-time load tracking
Transmission Control: K-ATOMiCS (adaptive modulation system)
Skip-Shift Function: For smoother uphill gear changes
Auto Idling: Reduces fuel use when idle