Increase uptime, efficiency, and safety on the jobsite with the productive and reliable Cat® 773 Off-Highway Truck. Built with the powerful Cat 3412E air-to-air aftercooled engine, featuring Hydraulic Electronic Unit Injector (HEUI™) for fuel efficient operation. Delivering unmatched reliability and durability along with high uptime, the 773 is the right choice for your operation.
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Increase uptime, efficiency, and safety on the jobsite with the productive and reliable Cat 773 Off-Highway Truck. Built with the powerful Cat 3412E air-to-air aftercooled engine, featuring Hydraulic Electronic Unit Injector (HEUI™) for fuel efficient operation. Delivering unmatched reliability and durability along with high uptime, the 773 is the right choice for your operation.
| Engine Model | Cat® 3412E |
|---|---|
| Rated Engine Speed | 2000 r/min |
| Gross Power - SAE J1995:2014 | 567 kW |
| Net Power - ISO 14396 | 607 kW |
| Net Power - SAE J1349:2011 | 537 kW |
| Net Power - ISO 9249:1997 | 584 kW |
| Net Torque - SAE J1349 | 3896 N·m |
| Net Torque Rise | 40% |
| Number of Cylinders | 12 |
| Torque Rise | 33 % |
| Bore | 137 mm |
| Stroke | 152 mm |
| Displacement | 27 l |
| Note (1) | These engine ratings apply at 2,000 rpm when tested under the specified condition for the specified standard in effect at the time of manufacture. |
| Note (2) | Power rating conditions based on standard conditions of 25° C (77° F) and99 kPa (29.32 in Hg) dry barometer, using 35° C (95° F) API gravity fuel havingan LHV of 42 780 kJ/kg (18,390 Btu/lb) when used at 30° C (86° F) [referencea fuel density of 838.9 g/L (7.001 lb/gal)]. |
| Note (3) | Net power advertised is the power available at the flywheel when the engine is equipped with fan, air cleaner, muffler, and alternator. |
| Note (4) | No engine derating required up to 3048 m (10,000 ft). |
| Note (5) | Meets China Nonroad Stage III emission standards equivalent to Tier 2. |
