773 Off-Highway Truck

Overview

Caterpillar is pleased to introduce to you the 773 Off-Highway Truck. You may be asking how, after 40 years of building trucks, Caterpillar has improved this product’s ability to support your business.<br>The 773 has been designed and manufactured using the latest quality control technologies – virtual and hands on. This product has over 30,000 hours of proven performance in the hands of customers prior to production, all of which ensures the truck delivered to your yard is ready to work, reliably and dependably.<br>In addition to quality, Cat 773 trucks will lower your costs with seven different ways to help you conserve fuel. We offer you two customizable fuel economy modes that will let you choose your level of savings. With Cat 773 trucks in your haul fleet, you can be more productive, spend less time on maintenance, and support the environment with new levels of eco performance. Your crew will appreciate all the new comfort and conveniences in our updated cab. Simply put, Cat 773 trucks can and will make a positive difference to both your business and people – all day, every day.

Key Features

More Comfort. More Performance. More Versatility.

Up To 9% Less Fuel Consumption

Utilizing Adaptive Economy Mode helps save on fuel consumption while maintaining productivity.

Enhanced Operator Comfort

New left side seat placement allows for an easier operation and new levels of comfort all throughout the work day

Expanded Performance

Get the job done faster and more efficiently with increased travel speeds and improved traction control.

Media Gallery

Specifications

Engine Model	Cat® C27
Rated Engine Speed	2000 r/min
Gross Power - SAE J1995:2014	825 hp
Net Power - SAE J1349:2011	727 hp
Net Power - 80/1269/EEC	727 hp
Net Power - ISO 9249	727 hp
Bore	5.4 in
Stroke	6 in
Displacement	1648 in³
Note (1)	Power rating applies at 2,000 rpm when tested under the specified condition for the specified standard.
Note (2)	Ratings based on SAE J1995 standard air conditions of 25° C (77° F) and 100 kPa (29.61 Hg) barometer. Power based on fuel having API gravity of 35 at 16° C (60° F) and an LHV of 42 780 kJ/kg (18,390 BTU/lb) when engine used at 30° C (86° F).
Net Torque	2874 ft-lb
Peak Torque - Speed	1300 r/min
Note (3)	No engine derating required up to 3810 m (12,500 ft) for Tier 2 Equivalent.
Engine Power - ISO 14396	813 hp

Maximum Gross Vehicle Weight	226503 lb

Nominal Payload Class (100%)	61.7 ton (US)
Top Speed - Loaded	42 mile/h
Note (2)	* Refer to the Caterpillar 10/10/20 Payload Policy for maximum gross machine weight limitations.
Body Capacity - SAE 2:1	46.75 yd³
Target Payload (100%)	61.7 ton (US)
Note (1)	Capacity with Dual Slope body – no liner.
Maximum Allowable Payload (120%)*	74 ton (US)
Maximum Working Payload (110%)	67.8 ton (US)

Forward - 1	6.7 mile/h
Forward - 2	9.4 mile/h
Forward - 3	12.7 mile/h
Forward - 4	17 mile/h
Forward - 5	23 mile/h
Forward - 6	31.1 mile/h
Forward - 7	42 mile/h
Reverse	8.8 mile/h
Note	Maximum travel speeds with standard 24.00R35 (E4) tires.

Differential Ratio	3.64:1
Planetary Ratio	4.80:1
Total Reduction Ratio	17.49:1

Brake Surface - Front	257 in²
Brake Surface - Rear	9497 in²
Brake Standards	ISO 3450:2011

Pump Flow - High Idle	118 gpm
Relief Valve Setting - Raise	2502 psi
Relief Valve Setting - Lower	500 psi
Body Raise Time - High Idle	9.5 s
Body Lower Time - Float	13 s
Body Power Down - High Idle	13 s

Struck	35.13 yd³
Note (1)	Contact your local Cat dealer for body recommendation.
Heaped (SAE 2:1)*	46.76 yd³
Note (2)	* ISO 6483:1980.

Struck	34.33 yd³
Heaped (SAE 2:1)*	46.41 yd³
Note (2)	* ISO 6483:1980.
Note (1)	Contact your local Cat dealer for body recommendation.

Front Axle - Empty	53 %
Front Axle - Loaded	35 %
Rear Axle - Empty	47 %
Rear Axle - Loaded	65 %

Rear axle - Oscillation	8.1 °
Empty Loaded Cylinder Stroke Front	9.2 in
Empty Loaded Cylinder Stroke Rear	5.8 in

Fuel Tank	210 gal (US)
Cooling System	45 gal (US)
Differential - Final Drives	38 gal (US)
Steering Tank	9.5 gal (US)
Steering System - Including Tank	14 gal (US)
Brake/Hoist Hydraulic Tank	46.5 gal (US)
Crankcase	24 gal (US)
Brake Hoist System	85 gal (US)
Torque Converter - Transmission System - LRC	16 gal (US)

Note (1)	Productive capabilities of the 773G truck are such that, under certain job conditions, TKPH (TMPH) capabilities of standard or optional tires could be exceeded and, therefore, limit production.
Note (2)	Caterpillar recommends the customer evaluate all job conditions and consult the tire manufacturer for proper tire selection.
Standard Tire	24.00R35 (E4)

FOPS Standards	Falling Object Protective Structure (FOPS) meets ISO 3449:2005 Level II FOPS criteria.
ROPS Standards	Rollover Protective Structure (ROPS) for cab offered by Caterpillar meets ISO 3471:2008 ROPS criteria.

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).
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.
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.