Caterpillar 773
Technical data by generation and configuration: engine, cooling, refill capacities and the manufacturer's public documents.
Caterpillar 773 · 773B
B generation (1990s) · unofficial data
| Engine | Engine | Cat 3412 · 509 kW (683 hp) gross at 2,000 rpm | Standard |
|---|---|---|---|
| Engine | Crankcase (capacity) | 68 L | Standard |
| Cooling | Cooling system (capacity) | 151 L | Standard |
| Transmission | Drive | 7-speed automatic powershift | Standard |
| Axles and final drives | Differential and final drives (capacity) | 155 L | Standard |
| Tires | Tires | 21.00-35 (E3) | Standard |
| Fuel | Fuel tank | 700 L | Standard |
| Body | Nominal payload | 54 t | Standard |
Caterpillar 773 · 773E
E generation (AEHQ5456) · Tier 2
| Engine | Engine | Cat 3412E · 530 kW (710 hp) gross | Standard |
|---|---|---|---|
| Engine | Crankcase (capacity) | 68 L | Standard |
| Cooling | Cooling system (capacity) | 151 L | Standard |
| Transmission | Drive | 7-speed automatic powershift | Standard |
| Axles and final drives | Differential and final drives (capacity) | 155 L | Standard |
| Brakes and retarder | Brakes | Rear forced oil-cooled multiple discs (also retarding); front discs | Standard |
| Tires | Tires | 24.00R35 (E4) | Standard |
| Fuel | Fuel tank | 700 L | Standard |
| Body | Nominal payload | 54.4 t | Standard |
Caterpillar 773 · 773F
F generation (AEHQ5747-02) · Tier 3
| Engine | Engine | Cat C27 ACERT · 552 kW (740 hp) gross at 1,800 rpm | Standard |
|---|---|---|---|
| Engine | Crankcase (capacity) | 95 L | Standard |
| Engine | Altitude | Electronic altitude compensation | Standard |
| Cooling | Radiator | Next Generation Modular Radiator (NGMR): a single core can be removed without removing the whole radiator | Standard |
| Cooling | Aftercooler | Air-to-air (ATAAC) | Standard |
| Cooling | Cooling system (capacity) | 175 L | Standard |
| Transmission | Drive | 7-speed automatic powershift | Standard |
| Axles and final drives | Differential and final drives (capacity) | 155 L | Standard |
| Brakes and retarder | Brakes | Rear forced oil-cooled multiple discs (also retarding); front discs | Standard |
| Hoist hydraulics | Brake and hoist system (capacity) | 307 L | Standard |
| Tires | Tires | 24.00R35 (E4) | Standard |
| Fuel | Fuel tank | 700 L | Standard |
| Body | Nominal payload | 55 t | Standard |
Caterpillar 773 · 773G
G generation (AEHQ6343-02) · Tier 4 Final
| Engine | Engine | Cat C27 · 578 kW (775 hp) gross at 1,800 rpm | Standard |
|---|---|---|---|
| Engine | Crankcase (capacity) | 90 L | Standard |
| Cooling | Aftercooler | Air-to-air (ATAAC) | Standard |
| Cooling | Cooling system (capacity) | 171 L | Standard |
| Transmission | Drive | 7-speed automatic powershift | Standard |
| Axles and final drives | Differential and final drives (capacity) | 145 L | Standard |
| Brakes and retarder | Brakes | Rear forced oil-cooled multiple discs (also retarding); front discs | Standard |
| Hoist hydraulics | Brake and hoist system (capacity) | 322 L (176 L tank) | Standard |
| Tires | Tires | 24.00R35 (E4) | Standard |
| Fuel | Fuel tank | 795 L | Standard |
| Body | Nominal payload | 56 t | Standard |
Caterpillar 773 · Current 773 · Tier 4 Final
Current generation · Tier 4 Final / Stage V
| Engine | Engine | Cat C27 · 578 kW (775 hp) gross | Standard |
|---|---|---|---|
| Engine | Crankcase (capacity) | 90 L | Standard |
| Cooling | Aftercooler | Air-to-air (ATAAC) | Standard |
| Cooling | Cooling system (capacity) | 171 L | Standard |
| Transmission | Drive | 7-speed automatic powershift | Standard |
| Axles and final drives | Differential and final drives (capacity) | 145 L | Standard |
| Brakes and retarder | Brakes | Rear forced oil-cooled multiple discs (also retarding); front discs | Standard |
| Hoist hydraulics | Brake and hoist system (capacity) | 322 L (176 L tank) | Standard |
| Tires | Tires | 24.00R35 (E4) | Standard |
| Fuel | Fuel tank | 795 L | Standard |
| Body | Nominal payload | 56 t | Standard |
Caterpillar 773 · Current 773 · Tier 2 equivalent
Current generation · Tier 2 equivalent
| Engine | Engine | Cat C27 · 615 kW (825 hp) gross at 1,800 rpm | Standard |
|---|---|---|---|
| Engine | Crankcase (capacity) | 90 L | Standard |
| Engine | Altitude | No power derating up to 3,810 m | Standard |
| Cooling | Aftercooler | Air-to-air (ATAAC) | Standard |
| Cooling | Cooling system (capacity) | 171 L | Standard |
| Transmission | Drive | 7-speed automatic powershift | Standard |
| Axles and final drives | Differential and final drives (capacity) | 145 L | Standard |
| Brakes and retarder | Brakes | Rear forced oil-cooled multiple discs (also retarding); front discs | Standard |
| Hoist hydraulics | Brake and hoist system (capacity) | 322 L (176 L tank) | Standard |
| Tires | Tires | 24.00R35 (E4) | Standard |
| Fuel | Fuel tank | 795 L | Standard |
| Body | Nominal payload | 56 t | Standard |
Sources
Caterpillar: 773E (AEHQ5456), 773F (AEHQ5747-02) and 773G (AEHQ6343-02) Specalogs, published by Cat dealers; current 773 on cat.com. 773B: data from used-equipment catalogs (Caterpillar no longer publishes its sheet)
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