CAT 797B Haul Truck Specs, Weight & Dimensions

Contents

Dump System

Payload Capacity	837757 lb (380000 kg)
Body Weight Range	84000 – 140000 lb (38000 – 63000 kg)
Capacity, Struck	246-290 yd3 (188-213 m3)
Capacity, Heaped (SAE 2:1)	314-350 yd3 (240-267 m3)
Body Type	Flat Floor Body or Mine Specific Design (MSD) Body
Body Plate	High-strength steel
Body Raise Time (High Idle)	25 sec
Body Lower Time (High Idle)	18.5 sec
Body Power Down (High Idle)	17.3 sec
Body Raise Time (Low Idle)	25 sec
Body Lower Time (Low Idle)	18.5 sec
Body Power Down (Low Idle)	18.1 sec

1. Height to Top of ROPS (Full)	250 in (6351 mm)
1. Height to Top of ROPS (Empty)	258 in (6549 mm)
2. Overall Body Length	569 in (14483 mm)
3. Inside Body Length	391 in (9941 mm)
4. Overall Length	572 in (14530 mm)
5. Wheelbase	283 in (7200 mm)
6. Rear Axle to Tail	158 in (4016 mm)
7. Ground Clearance (Full)	34 in (869 mm)
7. Ground Clearance (Empty)	42 in (1059 mm)
8. Dump Clearance	74 in (1885 mm)
9. Loading Height (Empty)	278 in (7083 mm)
10. Inside Body Depth (Max)	132 in (3350 mm)
11. Overall Height (Body Raised)	602 in (15292 mm)
12. Operating Width	360 in (9154 mm)
13. Centerline Front Tire Width	256 in (6512 mm)
14. Engine Guard Clearance (Full)	36 in (919 mm)
14. Engine Guard Clearance (Empty)	44 in (1122 mm)
15. Outside Body Width	336 in (8524 mm)
16. Inside Body Width	315 in (8000 mm)
17. Front Canopy Height	299 in (7584 mm)
18. Rear Axle Clearance (Full)	37 in (951 mm)
18. Rear Axle Clearance (Empty)	41 in (1046 mm)
19. Centerline Rear Dual Tire Width	245 in (6233 mm)
20. Overall Tire Width (Full)	384 in (9761 mm)

Number of Cylinders	24 (2x 12)
Engine Make	Caterpillar
Engine Model	Cat 3524B EUI (2x 3512B HD)
Displacement	7143 cu in (117.1 L)
Bore	6.7 in (170 mm)
Stroke	8.5 in (215 mm)
Gross Power	3550 hp (2648 kw)
Net Power	3370 hp (2513 kw)
Power Measured @	1750 rpm
Torque Rise	22%
Fuel System	Electronic Unit Injection (EUI)
Fuel Consumption, Light Load (empty return / low grade)	31 – 53 gal (120 – 200 L/h)
Fuel Consumption, Moderate Load (mixed cycle / haul + return)	53 – 79 gal (200 – 300 L/h)
Fuel Consumption, Full Load (tough terrain / heavy haul + incline)	79 – 119 gal (300 – 450 L/h)
Air Cleaner	Dry-type air cleaners and pre-cleaner
Aspiration	2x Twin turbocharged and aftercooled
Emission Standards	US EPA Tier 1 + EU Stage I

Operating Voltage	24 V
Alternator	2x 75 amps
Battery	2x 12 V, 93 Ah
Starter	24 V (Optional – Engine Prelube, Air Start)

Gross Machine Operating Weight	1375000 lb (623690 kg)
Nominal Payload Capacity (NRP)	837757 lb (380000 kg)
Body Weight (BW)	84000 – 140000 lb (38000 – 63000 kg)
Chassis Weight (CW)	473600 lb (214820 kg)
Steering Angle	39°
Front Turning Radius	130.9 ft (39.9 m)
Turning Circle Clearance Diameter	132.8 ft (40.5 m)
Number fo Tires	6
Rims	Center Mounted Rims (6) (44 x 63) (Used for 59/80R63 Tires)
Tire Size	59/80R63

Cab Option	Standard Cab / Deluxe Cab / Deluxe Cold Weather Cab
Operator Seat	Air Suspension Trainer Seat
Passenger / Trainer Seat	Air Suspension with Storage Compartments
Noise Level (Interior)	76 dB(A)
HVAC	Heating/Air Conditioning (Electronically controlled 4-speed fan and 11 vents deliver temperature controlled air circulation
Display Option	VIMS features a high resolution display and easy-to-use operator input keypad for vital machine status information
ROPS / FOPS	SAE J1040 APR88, SAE J231 JAN81, ISO 3471-1994, ISO 3449-1992 Level II

Type	Cat 7-speed automatic planetary powershift transmission, electronically controlled
Number of Gears	7F / 1 R
Max Forward Speed	42 mph (67.6 km/h)
Max Reverse Speed	8 mph (12.9 km/h)
Torque Converter	Lock-up torque converter. Engages at approximately 4 mph (6 km/h)
Service Brakes	Forced oil-cooled/variable capacity disc brakes with electro-hydraulic controls. Sealed and individually serviceable
Parking Brake	Spring-applied, hydraulically released; toggle switch activated. Uses same disc brakes as service brakes
Secondary Brakes	Spring-applied, hydraulically released
Brake System Standards	J-ISO 3450 JAN88, ISO 3450-1996
Front Brake Surface Area	20500 in2 (132258 cm2)
Rear Brake Surface Area	30750 in2 (198387 cm2)
Retarder	Automatic Retarder Control standard. Applied to all wheels (40/60 split, front and rear). Hand operated lever provides modulated engagement of service brakes for retarding
Traction System	Traction Control System standard

Type of Final Drives	Double reduction, planetary with full floating axles
Rear Axle	Four-bar linkage connects the rear axle to the frame with maintenance free pins
Differential Ratio	1.265:1
Planetary Ratio	16.67:1
Total Reduction Ratio	21.09:1
Suspension System	Uses oil-over-nitrogen struts to dissipate haul road and loading impacts
Suspension Cylinders	Four independent self-contained, oil pneumatic, variable rebound suspension cylinders are designed to absorb shocks in the most severe applications

Pump Flow (High Idle)	323 gal/min (1225 L/min)
Pump Flow (Low Idle)	290 gal/min (1099 L/min)
Relief Valve Setting (Raise)	3450 psi (23787 kPa)
Hydraulic Cylinders	Twin, two-stage hydraulic cylinders, mounted outside main frame

Fuel Tank Capacity	1800 gal (6814 L)
Engine Oil Capacity (w/ filter)	110 gal (417 L)
Cooling System Capacity	315 gal (1194 L)
Torque Converter/Transmission System (Includes Sump)	166 gal (629 L)
Torque Converter / Transmission Sump	50 gal (190 L)
Steering System Capacity (w/ tank)	114 gal (432 L)
Steering Hydraulic Tank Capacity	62 gal (235 L)
Brake/Hoist Hydraulic System Capacity (w/ tank)	486 gal (1842 L)
Brake/Hoist Hydraulic Tank Capacity	263 gal (996 L)
Differentials Fluid Capacity	185 gal (701 L)
Final Drives Fluid Capacity (Each)	49 gal (185 L)
Front Wheel Fluid Capacity (Each)	16 gal (61 L)