Specification sheetIssued 4 November 2026
Cat · rigid dump truck
Cat 797F
Cat 797F (C175-20) with the standard 290-6420 body and 59/80R63 tyres, per tech spec AEHQ5884-09 (12-2023); Al-Bahar lists the 797F in the UAE.
UAEUSAGlobal
- Payload (nominal)
- 400 tons
- power
- 3,793 hp
- machine operating weight
- 1,375,000 lb
- Overall length
- 49 ft 6 in
- Overall width
- 29 ft 11 in
- Overall height (canopy)
- 25 ft 4 in
- Wheelbase
- 23 ft 7 in
- Loading height (empty)
- 23 ft 0 in
- Dump height (body raised)
- 51 ft 6 in
- Ground clearance
- 2 ft 7 in
- Height to top of ROPS
- 21 ft 5 in
- Overall body length
- 48 ft 7 in
- Inside body length
- 32 ft 9 in
- Rear axle to tail
- 12 ft 11 in
- Dump clearance
- 6 ft 7 in
- Inside body depth (maximum)
- 11 ft 0 in
- Centre line front tyre width
- 21 ft 5 in
- Engine guard clearance
- 3 ft 4 in
- Outside body width
- 32 ft 0 in
- Inside body width
- 27 ft 11 in
- Rear axle clearance
- 3 ft 1 in
- Centre line rear dual tyre width
- 20 ft 5 in
- Overall tyre width
- 31 ft 3 in
4
15
17
5
9
11
7
1
2
3
6
8
10
12
13
14
16
18
19
20
Weight
- Payload (nominal) (Nominal payload capacity)
- 400 tons
- Gross machine operating weight (Target gross machine operating weight)
- 1,375,000 lb
- Chassis weight
- 210 630 - 219 146 kg
- Body weight (Depends on body and liner)
- 41 368 - 61 235 kg
- Weight distribution, empty (front/rear)
- 47.2% / 52.8%
- Weight distribution, loaded (front/rear)
- 33.3% / 66.7%
Body
- Body capacity (SAE 2:1 heaped) (MSD II body, 100% fill factor)
- 240-267 m³
- Body capacity (struck) (MSD II body)
- 188-213 m³
- Hoist pump flow (High idle)
- 317 gal/min
- Body raise time (High idle; lower (float) 19 s)
- 25 s
Engine
- Engine model
- Cat C175-20
- Emissions
- Compliant with current U.S. EPA standards where applicable
- Gross power (SAE J1995, at 1,750 rpm)
- 4,000 hp
- Net power (SAE J1349, at 1,750 rpm)
- 3,793 hp
- Displacement
- 6,469 in³
- Bore x stroke
- 175 mm x 220 mm
Performance
- Top speed (Loaded, 7th gear)
- 42 mph
- Turning diameter (Machine clearance turning diameter)
- 138 ft
- Steering angle
- 40°
Transmission
- Transmission
- 7F/1R
- Total reduction ratio (Differential 1.276:1, planetary 16.67:1)
- 21.26:1
Tyres
- Tyres
- 59/80R63 (Michelin or Bridgestone)
Service capacities
- Fuel tank
- 1,000 gal
- Cooling system
- 306 gal
- Engine oil, with filter (Crankcase)
- 84 gal
- Differentials
- 311 gal
- Final drives (each)
- 49 gal
- Steering system, with tank
- 94 gal
- Brake/hoist system, with tank
- 441 gal
- Torque converter/transmission system (Includes sump)
- 166 gal
Service intervals
- Coolant
- 12,000 hours