Create a CEG Account  /  CEG Login
☰
Parts
Buyer's Guides
Digital Issues
Videos


Caterpillar 773 (07) Off-Highway Truck Specs

Body Hoists

Caterpillar 773 (07) Off-Highway Truck Body Hoists specifications
Body Lower Time - Float 13 s — Starting 2026 Model Year
Body Power Down - High Idle 13 s — Starting 2026 Model Year
Body Raise Time - High Idle 9.5 s — Starting 2026 Model Year
Pump Flow - High Idle 118.00 gpm (446.63 lpm) — Starting 2026 Model Year
Relief Valve Setting - Lower 500 psi — Starting 2026 Model Year
Relief Valve Setting - Raise 2502 psi — Starting 2026 Model Year

Brakes

Caterpillar 773 (07) Off-Highway Truck Brakes specifications
Brake Standards ISO 3450:2011 — Starting 2026 Model Year
Brake Surface - Front 257 in² — Starting 2026 Model Year
Brake Surface - Rear 9497 in² — Starting 2026 Model Year

Capacity - Dual Slope - 100% Fill Factor

Caterpillar 773 (07) Off-Highway Truck Capacity - Dual Slope - 100% Fill Factor specifications
Heaped (SAE 2:1)* 46.76 cu yd — Starting 2026 Model Year
Struck 35.13 cu yd — Starting 2026 Model Year

Capacity - Flat Floor - 100% Fill Factor

Caterpillar 773 (07) Off-Highway Truck Capacity - Flat Floor - 100% Fill Factor specifications
Heaped (SAE 2:1)* 46.41 cu yd — Starting 2026 Model Year
Struck 34.33 cu yd — Starting 2026 Model Year

Engine

Caterpillar 773 (07) Off-Highway Truck Engine specifications
Bore 5.40 in (13.72 cm) — Starting 2026 Model Year
Displacement 1,648.00 cu in (27,005.94 cu cm) — Starting 2026 Model Year
Engine Model Cat® C27 — Starting 2026 Model Year
Gross Power - SAE J1995:2014 825.00 hp (615.21 kw) — Starting 2026 Model Year
Net Power - ISO 9249 768.00 hp (572.71 kw) — Starting 2026 Model Year
Net Power - SAE J1349:2011 768.00 hp (572.71 kw) — Starting 2026 Model Year
Net Torque 2,874.00 lbs ft (3,896.57 nm) — Starting 2026 Model Year
Net Torque - SAE J1349 3,148.00 lbs ft (4,268.06 nm) — Starting 2026 Model Year
Net Torque Rise 40% — Starting 2026 Model Year
Peak Torque - Speed 1200 r/min — Starting 2026 Model Year
Rated Engine Speed 1800 r/min — Starting 2026 Model Year
Stroke 6.00 in (15.24 cm) — Starting 2026 Model Year

Final Drives

Caterpillar 773 (07) Off-Highway Truck Final Drives specifications
Differential Ratio 3.64:1 — Starting 2026 Model Year
Planetary Ratio 4.80:1 — Starting 2026 Model Year
Total Reduction Ratio 17.49:1 — Starting 2026 Model Year

Operating Specifications

Caterpillar 773 (07) Off-Highway Truck Operating Specifications specifications
Body Capacity - SAE 2:1 46.75 cu yd — Starting 2026 Model Year
Maximum Allowable Payload (120%)* 74.00 t (74,000.00 kg) — Starting 2026 Model Year
Maximum Working Payload (110%) 67.80 t (67,800.00 kg) — Starting 2026 Model Year
Nominal Payload Class (100%) 71.60 t (71,600.00 kg) — Starting 2026 Model Year
Target Payload (100%) 61.70 t (61,700.00 kg) — Starting 2026 Model Year
Top Speed - Loaded 42.00 mph (67.59 kph) — Starting 2026 Model Year

Rops

Caterpillar 773 (07) Off-Highway Truck Rops specifications
FOPS Standards Falling Object Protective Structure (FOPS) meets ISO 3449:2005 Level II FOPS criteria. — Starting 2026 Model Year
ROPS Standards Rollover Protective Structure (ROPS) for cab offered by Caterpillar meets ISO 3471:2008 ROPS criteria. — Starting 2026 Model Year

Service Refill Capacities

Caterpillar 773 (07) Off-Highway Truck Service Refill Capacities specifications
Brake Hoist System 85.00 gal (321.73 l) — Starting 2026 Model Year
Brake/Hoist Hydraulic Tank 46.50 gal (176.00 l) — Starting 2026 Model Year
Cooling System 45.00 gal (170.33 l) — Starting 2026 Model Year
Crankcase 24.00 gal (90.84 l) — Starting 2026 Model Year
Differential - Final Drives 38.00 gal (143.83 l) — Starting 2026 Model Year
Fuel Tank 210.00 gal (794.85 l) — Starting 2026 Model Year
Steering System - Including Tank 14.00 gal (52.99 l) — Starting 2026 Model Year
Steering Tank 9.50 gal (35.96 l) — Starting 2026 Model Year
Torque Converter - Transmission System - LRC 16.00 gal (60.56 l) — Starting 2026 Model Year

Sound

Caterpillar 773 (07) Off-Highway Truck Sound specifications
Sound Standards (1) The operator Equivalent Sound Pressure Level (Leq) is 76 dB(A) when SAE J1166 FEB2008 is used to measure the value for an enclosed cab. This is a work cycle sound exposure level. The cab was properly installed and maintained. The test was conducted with the cab doors and the cab windows closed. — Starting 2026 Model Year
Sound Standards (2) The exterior sound pressure level for the standard machine measured at a distance of 15 m (49 ft) according to the test procedures specified in SAE J88:2008, mid?gear moving operation is 86 dB(A). — Starting 2026 Model Year
Sound Standards (3) Hearing protection may be needed when operating with an open operator station and cab (when not properly maintained or doors/windows open) for extended periods or in a noisy environment. — Starting 2026 Model Year

Steering

Caterpillar 773 (07) Off-Highway Truck Steering specifications
Steer Angle 31 degrees — Starting 2026 Model Year
Steering Standards ISO 5010:2007 — Starting 2026 Model Year
Turning Circle - Clearance Diameter 85.60 ft (26.09 m) — Starting 2026 Model Year
Turning Diameter - Front 77.10 ft (23.50 m) — Starting 2026 Model Year

Suspension

Caterpillar 773 (07) Off-Highway Truck Suspension specifications
Empty Loaded Cylinder Stroke Front 9.20 in (23.37 cm) — Starting 2026 Model Year
Empty Loaded Cylinder Stroke Rear 5.80 in (14.73 cm) — Starting 2026 Model Year
Rear axle - Oscillation 8.1 degrees — Starting 2026 Model Year

Tires

Caterpillar 773 (07) Off-Highway Truck Tires specifications
Standard Tire 24.00R35 (E4) — Starting 2026 Model Year

Transmission

Caterpillar 773 (07) Off-Highway Truck Transmission specifications
Forward - 1 6.70 mph (10.78 kph) — Starting 2026 Model Year
Forward - 2 9.40 mph (15.13 kph) — Starting 2026 Model Year
Forward - 3 12.70 mph (20.44 kph) — Starting 2026 Model Year
Forward - 4 17.00 mph (27.36 kph) — Starting 2026 Model Year
Forward - 5 23.00 mph (37.01 kph) — Starting 2026 Model Year
Forward - 6 31.10 mph (50.05 kph) — Starting 2026 Model Year
Forward - 7 42.00 mph (67.59 kph) — Starting 2026 Model Year
Reverse 8.80 mph (14.16 kph) — Starting 2026 Model Year

Weight Distributions - Approximate

Caterpillar 773 (07) Off-Highway Truck Weight Distributions - Approximate specifications
Front Axle - Empty 53 % — Starting 2026 Model Year
Front Axle - Loaded 35 % — Starting 2026 Model Year
Rear Axle - Empty 47 % — Starting 2026 Model Year
Rear Axle - Loaded 65 % — Starting 2026 Model Year

Weights - Approximate

Caterpillar 773 (07) Off-Highway Truck Weights - Approximate specifications
Maximum Gross Vehicle Weight 226,503.00 lbs (102,740.16 kg) — Starting 2026 Model Year
×

Stay Ahead of the Market

Get weekly equipment news, auction updates, and dealer insights — trusted by thousands of industry professionals.