Off-Highway Trucks

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797F
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789
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  • 797F
UNITS:
Metric
Imperial
Gross Power - SAE J1995
2983 kW
4000 HP
 
1193 kW
1600 HP
 
-
Engine Model
Cat® C175-20
Cat® C175-20
 
Cat� 3512E
Cat� 3512E
 
Cat® 3516E
Cat® 3516E
Net Power - SAE J1349
2828 kW
3795 HP
 
1125 kW
1509 HP
 
-
Rated Speed
1750 r/min
1750 r/min
 
-
 
1650 r/min
1650 r/min
Emissions
U.S. EPA Compliant. Where applicable, the Cat C175-20 engine is compliant with U.S. EPA emission standards.Tier 4 engine option available to meet Tier 4 Final emission standards.
U.S. EPA Compliant. Where applicable, the Cat C175-20 engine is compliant with U.S. EPA emission standards.Tier 4 engine option available to meet Tier 4 Final emission standards.
 
-
 
-
Bore
175 mm
6.9 in
 
170 mm
6.7 in
 
170 mm
6.7 in
Stroke
220 mm
8.7 in
 
215 mm
8.5 in
 
215 mm
8.5 in
Displacement
106 l
6469 in³
 
58.56 l
3573 in³
 
7.8 l
4766 in³
Note (1)
Net Power advertised is the power available at the flywheel when the engine is equipped with air intake system, exhaust system, and alternator.
Net Power advertised is the power available at the flywheel when the engine is equipped with air intake system, exhaust system, and alternator.
 
Net Power advertised is the power available at the flywheel when the engine is equipped with air intake system, exhaust system, and alternator.
Net Power advertised is the power available at the flywheel when the engine is equipped with air intake system, exhaust system, and alternator.
 
Net Power advertised is the power available at the flywheel when the engine is equipped with air intake system, exhaust system, and alternator.
Net Power advertised is the power available at the flywheel when the engine is equipped with air intake system, exhaust system, and alternator.
Note (2)
U.S. EPA Tier 4 Final available for applicable markets.
U.S. EPA Tier 4 Final available for applicable markets.
 
U.S. EPA Tier 4 Final / EU Stage V available for applicable markets.
U.S. EPA Tier 4 Final / EU Stage V available for applicable markets.
 
Optional 1417 kW / 1,900 HP engine rating.
Optional 1417 kW / 1,900 HP engine rating.
Note (3)
High Altitude Low Maintenance Ratio Engine Configuration (4x4) option available.
High Altitude Low Maintenance Ratio Engine Configuration (4x4) option available.
 
Additional fuel optimized selectable power ratings: 1,450 hp
Additional fuel optimized selectable power ratings: 1,450 hp
 
U.S. EPA Tier 4 Final / EU Stage V optional engine available for applicable markets.
U.S. EPA Tier 4 Final / EU Stage V optional engine available for applicable markets.
Emissions Rating
-
 
Fuel Optimized
Fuel Optimized
 
Fuel Optimized
Fuel Optimized
Gross Power - SAE J1995:2014
-
 
-
 
1566 kW
2100 HP
Net Power - SAE J1349:2011
-
 
-
 
1473 kW
1975 HP
Nominal Rated Payload
363 t
400 ton (US)
 
-
 
193 t
213 ton (US)
Rated Gross Machine Weight
623690 kg
1375000 lb
 
-
 
324318 kg
715000 lb
Chassis Weight
215217 kg
474472 lb
 
-
 
-
Body Weight
43000 kg
94799 lb
 
26208 kg
57779 lb
 
27400 kg
60406 lb
Note (1)
Consult your tire manufacturer for maximum tire load
Consult your tire manufacturer for maximum tire load
 
Consult your tire manufacturer for maximum tire load
Consult your tire manufacturer for maximum tire load
 
Consult your tire manufacturer for maximum tire load
Consult your tire manufacturer for maximum tire load
Note (2)
Chassis weight with full fuel and fluids, standard & mandatory attachments, hoist, body mounting group, rims, and tires.
Chassis weight with full fuel and fluids, standard & mandatory attachments, hoist, body mounting group, rims, and tires.
 
Chassis weight with full fuel and fluids, standard & mandatory attachments, hoist, body mounting group, rims, and tires.
Chassis weight with full fuel and fluids, standard & mandatory attachments, hoist, body mounting group, rims, and tires.
 
Chassis weight with full fuel and fluids, standard and mandatory attachments, hoist, body mounting group, rims, and tires.
Chassis weight with full fuel and fluids, standard and mandatory attachments, hoist, body mounting group, rims, and tires.
Note (4)
Tier 4 Chassis Weight: 486263 lb (220565 kg)
Tier 4 Chassis Weight: 486263 lb (220565 kg)
 
-
 
-
Nominal Rated Payload (33.00R51 Tires)
-
 
139 t
153 ton (US)
 
-
Rated Gross Machine Weight (33.00R51 tires)
-
 
249476 kg
550000 lb
 
-
Nominal Rated Payload (36.00R51 Tires)
-
 
142 t
157 ton (US)
 
-
Rated Gross Machine Weight (36.00R51 tires)
-
 
255826 kg
564000 lb
 
-
Chassis Weight (33.00R51 Tires)
-
 
84731 kg
186799 lb
 
-
Chassis Weight (36.00R51 Tires)
-
 
87631 kg
193192 lb
 
-
Note (3)
-
 
Body weight varies depending on body selection and configuration.
Body weight varies depending on body selection and configuration.
 
-
Front Axle - Empty
47.20%
47.20%
 
48%
48%
 
50%
50%
Rear Axle - Empty
52.80%
52.80%
 
52%
52%
 
50%
50%
Front Axle - Loaded
33.30%
33.30%
 
33%
33%
 
33%
33%
Rear Axle - Loaded
66.70%
66.70%
 
67%
67%
 
67%
67%
Note
Weight distributions optimized with Cat body.
Weight distributions optimized with Cat body.
 
Weight distributions optimized with Cat body.
Weight distributions optimized with Cat body.
 
-
Type
Double reduction, planetary with full floating axles.
Double reduction, planetary with full floating axles.
 
Double reduction, planetary with full floating axles.
Double reduction, planetary with full floating axles.
 
Double reduction, planetary with full floating axles
Double reduction, planetary with full floating axles
Differential Ratio
1.276:1
1.276:1
 
2:10:01
2:10:01
 
2.35:1
2.35:1
Planetary Ratio
16.67:1
16.67:1
 
10.83:1
10.83:1
 
10.83:1
10.83:1
Total Reduction Ratio
21.26:1
21.26:1
 
22.75:1
22.75:1
 
25.46:1
25.46:1
Note
Double reduction, planetary with full floating axles.
Double reduction, planetary with full floating axles.
 
-
 
-
Forward - 1
10.7 km/h
6.6 mile/h
 
12.1 km/h
7.5 mile/h
 
12.6 km/h
7.8 mile/h
Forward - 2
14.4 km/h
8.9 mile/h
 
16.3 km/h
10.2 mile/h
 
17.1 km/h
10.6 mile/h
Forward - 3
19.3 km/h
12 mile/h
 
22.2 km/h
13.8 mile/h
 
23.1 km/h
14.4 mile/h
Forward - 4
26.1 km/h
16.2 mile/h
 
29.9 km/h
18.6 mile/h
 
31.2 km/h
19.4 mile/h
Forward - 5
35 km/h
21.8 mile/h
 
40.6 km/h
25.2 mile/h
 
42.3 km/h
26.3 mile/h
Forward - 6
47.3 km/h
29.4 mile/h
 
54.8 km/h
34 mile/h
 
57.2 km/h
35.5 mile/h
Forward - 7
63.6 km/h
39.5 mile/h
 
-
 
-
Reverse
11.9 km/h
7.4 mile/h
 
11 km/h
6.8 mile/h
 
11.8 km/h
7.3 mile/h
Top Speed - Loaded
63.6 km/h
39.5 mile/h
 
54.8 km/h
34 mile/h
 
57.2 km/h
35.5 mile/h
Note
-
 
Maximum travel speeds with standard 33.00-R51 tires.
Maximum travel speeds with standard 33.00-R51 tires.
 
-
Tires
59/80 R63
59/80 R63
 
-
 
-
Rims
44" x 63"
44" x 63"
 
610 mm (24") Rims (standard). 660 mm (26") Rims (optional).
610 mm (24") Rims (standard). 660 mm (26") Rims (optional).
 
29” x 57” Rims
29” x 57” Rims
Note
Quick Change Rims optional.
Quick Change Rims optional.
 
-
 
-
Note (1)
Caterpillar recommends the customer evaluate all job conditions and consult tire manufacturer for proper tire selection and TKPH (TMPH) capabilities.
Caterpillar recommends the customer evaluate all job conditions and consult tire manufacturer for proper tire selection and TKPH (TMPH) capabilities.
 
Quick Change Rims optional.
Quick Change Rims optional.
 
Quick Change Rims optional
Quick Change Rims optional
Standard Tire
-
 
33.00R51
33.00R51
 
-
Optional Tire
-
 
36.00R51
36.00R51
 
42/90 R57
42/90 R57
Note (2)
-
 
Caterpillar recommends the customer evaluate all job conditions and consult tire manufacturer for proper tire selection and TKPH (TMPH) capabilities.
Caterpillar recommends the customer evaluate all job conditions and consult tire manufacturer for proper tire selection and TKPH (TMPH) capabilities.
 
Caterpillar recommends the customer evaluate all job conditions and consult tire manufacturer for proper tire selection and TKPH (TMPH) capabilities.
Caterpillar recommends the customer evaluate all job conditions and consult tire manufacturer for proper tire selection and TKPH (TMPH) capabilities.
Standard Tires
-
 
-
 
37 R57
37 R57
Optional Tires
-
 
-
 
40 R57
40 R57
Service Brakes
Service Brakes: Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated
Service Brakes: Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated
 
Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated
Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated
 
Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated
Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated
Front Wet Disc Brake Surface Area
132259 cm²
20500 in²
 
61270 cm²
9487 in²
 
81693 cm²
12662 in²
Rear - Wet Disc Brake Surface Area
198388 cm²
30750 in²
 
89728 cm²
13908 in²
 
134590 cm²
20861 in²
Standards
Service and Secondary: ISO 3450:2011
Service and Secondary: ISO 3450:2011
 
Service and Secondary: ISO 3450:2011
Service and Secondary: ISO 3450:2011
 
(Service and Secondary) ISO 3450:2011
(Service and Secondary) ISO 3450:2011
Parking Brake
Four-corner, Multi-disc, Spring Applied, Hydraulically Released
Four-corner, Multi-disc, Spring Applied, Hydraulically Released
 
Four corner, multi disc, spring applied, hydraulically released
Four corner, multi disc, spring applied, hydraulically released
 
Four-corner, Multi-disc, Spring applied, Hydraulically Released
Four-corner, Multi-disc, Spring applied, Hydraulically Released
Load Brake
Rear service brakes
Rear service brakes
 
-
 
-
Note
Anti-Lock Brake System (ABS) optional with CMD package
Anti-Lock Brake System (ABS) optional with CMD package
 
-
 
-
Struck
225 yd³ / 172 m³
225 yd³ / 172 m³
 
77 m3(101 yd3)
77 m3(101 yd3)
Heaped (SAE 2:1)*
330 yd³ / 252 m³
330 yd³ / 252 m³
 
143 m3(187 yd2)
143 m3(187 yd2)
Note (1)
Consult your local Cat dealer for body recommendations.
Consult your local Cat dealer for body recommendations.
 
Consult your local Cat dealer for body recommendations
Consult your local Cat dealer for body recommendations
Type
Twin, two-stage hydraulic cylinders with snubbing valve.
Twin, two-stage hydraulic cylinders with snubbing valve.
 
Twin, two-stage hydraulic cylinders with snubbing valve.
Twin, two-stage hydraulic cylinders with snubbing valve.
 
Twin, two-stage hydraulic cylinders with snubbing valve.
Twin, two-stage hydraulic cylinders with snubbing valve.
Pump Flow - High Idle
1140 l/min
317 gal/min
 
729.6 l/min
192.7 gal/min
 
403 l/min
106.5 gal/min
Relief Valve Setting - Raise
24200 kPa
3510 psi
 
17238 kPa
2500 psi
 
18950 kPa
2749 psi
Body Raise Time - High Idle
25 s
25 s
 
15.2 s
15.2 s
 
14 s
14 s
Body Lower Time - Float
18 s
18 s
 
-
 
16 s
16 s
Body Power Down- High Idle
18 s
18 s
 
15.9 s
15.9 s
 
-
Body Lower Time - Float High Idle
-
 
15.9 s
15.9 s
 
-
Body Lower Time - Float Low Idle
-
 
16.2 s
16.2 s
 
-
Type
Self-contained nitrogen/oil cylinders, rear strut pin-to-pin mounting, top & bottom double shear clevis attachments
Self-contained nitrogen/oil cylinders, rear strut pin-to-pin mounting, top & bottom double shear clevis attachments
 
Self-contained nitrogen/oil cylinders, pin-to-pin mounting, top & bottom double shear clevis attachments
Self-contained nitrogen/oil cylinders, pin-to-pin mounting, top & bottom double shear clevis attachments
 
Self-contained nitrogen/oil cylinders, pin-to-pin mounting, top and bottom double shear clevis attachments
Self-contained nitrogen/oil cylinders, pin-to-pin mounting, top and bottom double shear clevis attachments
Effective Cylinder Stroke - Front
99.1 mm
3.9 in
 
320 mm
12.6 in
 
104.65 mm
4.12 in
Effective Cylinder Stroke - Rear
93.2 mm
3.7 in
 
165 mm
6.5 in
 
93.22 mm
3.67 in
Rear axle - Oscillation
±3.96 degrees
±3.96 degrees
 
+/- 5 degrees
+/- 5 degrees
 
+/- 5 degrees
+/- 5 degrees
Fuel Tank
3785 l
1000 gal (US)
 
1552 l
410 gal (US)
 
4546 l
1000 gal (US)
Fuel Tank (Tier 4)
4542 l
1200 gal (US)
 
-
 
2500 l
55 gal (US)
Diesel Exhaust Fluid Tank
375 l
100 gal (US)
 
136 l
36 gal (US)
 
233 l
62 gal (US)
Cooling System
1160 l
306 gal (US)
 
379 l
100 gal (US)
 
679 l
180 gal (US)
Crankcase
390 l
103 gal (US)
 
204 l
54 gal (US)
 
291 l
77 gal (US)
Front Wheels - Each
61 l
16 gal (US)
 
30 l
8 gal (US)
 
22 l
5.8 gal (US)
Differentials
1250 l
330 gal (US)
 
-
 
610 l
161 gal (US)
Steering Tank
254 l
67 gal (US)
 
110 l
29 gal (US)
 
-
Steering System - Including Tank
360 l
95 gal (US)
 
-
 
-
Brake/Hoist Tank
770 l
203 gal (US)
 
511 l
135 gal (US)
 
-
Brake Hoist System - Includes Tank
1850 l
489 gal (US)
 
606 l
160 gal (US)
 
1315 l
347 gal (US)
Torque Converter Sump
303 l
80 gal (US)
 
-
 
-
Torque Converter/Transmission System - Including Sump
629 l
166 gal (US)
 
-
 
-
Note (1)
DEF Tank only available for EPA Tier 4 engine option.
DEF Tank only available for EPA Tier 4 engine option.
 
-
 
-
Differential - Final Drives
-
 
527 l
139 gal (US)
 
-
Steering System - Includes Tank
-
 
170 l
45 gal (US)
 
175 l
46 gal (US)
Torque Converter - Transmission System - Including Sump
-
 
175 l
46 gal (US)
 
209 l
55 gal (US)
Fuel Tank - Standard
-
 
-
 
2500 l
550 gal (US)
Steering System
-
 
-
 
160 l
42 gal (US)
Brake Hoist System
-
 
-
 
640 l
169 gal (US)
Air Conditioning
HFC - 134A refrigerant: 24,300 Btu/h
HFC - 134A refrigerant: 24,300 Btu/h
 
HFC - 134A refrigerant: 24,500 Btu/h
HFC - 134A refrigerant: 24,500 Btu/h
 
(HFC - 134A refrigerant) 24,500 Btu/hr
(HFC - 134A refrigerant) 24,500 Btu/hr
Heater / Defroster
38900 Btu/h
38900 Btu/h
 
33300 Btu/h
33300 Btu/h
 
33300 Btu/h
33300 Btu/h
Note
Ambient capabilities down to -30C (-22F) for heater/defroster and up to 50C (122F) for air conditioning.
Ambient capabilities down to -30C (-22F) for heater/defroster and up to 50C (122F) for air conditioning.
 
The operator sound pressure level, 77 dB(A) with direct drive and 75 dB9A) with optional clutch, tested to ISO 6396:2008.
The operator sound pressure level, 77 dB(A) with direct drive and 75 dB9A) with optional clutch, tested to ISO 6396:2008.
 
-
ROPS Standards (1)
The operator sound pressure level, 76 dB(A), complies with ISO 6394:2008 and ISO 6396:2008.
The operator sound pressure level, 76 dB(A), complies with ISO 6394:2008 and ISO 6396:2008.
 
ROPS (Rollover Protective Structure) meets ISO 3471:2008 for Operator and ISO 13459:2012 for Trainer.
ROPS (Rollover Protective Structure) meets ISO 3471:2008 for Operator and ISO 13459:2012 for Trainer.
 
The operator sound pressure level, 77 dB(A) with direct drive and 75 dB(A) with optional clutch, tested to ISO 6396:2008.
The operator sound pressure level, 77 dB(A) with direct drive and 75 dB(A) with optional clutch, tested to ISO 6396:2008.
ROPS Standards (2)
ROPS (Rollover Protective Structure) meets ISO 3471:1994 criteria.
ROPS (Rollover Protective Structure) meets ISO 3471:1994 criteria.
 
-
 
ROPS (Rollover Protective Structure) meets ISO 3471:2008 for Operator and ISO 13459:2012 for Trainer.
ROPS (Rollover Protective Structure) meets ISO 3471:2008 for Operator and ISO 13459:2012 for Trainer.
FOPS Standards
FOPS (Falling Objects Protective Structure) meets ISO 3449:1992 Level II criteria.
FOPS (Falling Objects Protective Structure) meets ISO 3449:1992 Level II criteria.
 
FOPS (Falling Objects Protective Structure) meets ISO 3449:2005 Level II for Operator and ISO 13459:2012 Level II for Trainer.
FOPS (Falling Objects Protective Structure) meets ISO 3449:2005 Level II for Operator and ISO 13459:2012 Level II for Trainer.
 
FOPS (Falling Objects Protective Structure) meets ISO 3449:2005 Level II for Operator and ISO 13459:2012 Level II for Trainer.
FOPS (Falling Objects Protective Structure) meets ISO 3449:2005 Level II for Operator and ISO 13459:2012 Level II for Trainer.
Steering Angle
40 °
40 °
 
-
 
-
Turning Diameter - Front
37.4 m
122.7 ft
 
-
 
-
Steering Standards
ISO 5010:2007
ISO 5010:2007
 
ISO 5010:2007
ISO 5010:2007
 
ISO 5010:2007
ISO 5010:2007
Note
Turning Diameter (ISO 7457:2009)
Turning Diameter (ISO 7457:2009)
 
-
 
-
Steer Angle
-
 
36 °
36 °
 
36.07 °
36.07 °
Turning Diameter - ISO 7457:1997 (33.00R51 tires)
-
 
29.8 m
97.75 ft
 
-
Rear Axle - Clearance - Loaded
947 mm
3.08 ft
Inside Body Depth - Maximum
3363 mm
11 ft
Overall Height - Body Raised
15701 mm
51.5 ft
Loaded Ground Clearance
786 mm
2.58 ft
Loading Height - Empty
6998 mm
23 ft
Engine Guard Clearance - Loaded
1025 mm
3.33 ft
Height - Top of ROPS - Empty
6526 mm
21.4 ft
Front Canopy Height - Empty
7709 mm
25.33 ft
Overall Body Length
14802 mm
48.6 ft
Inside Body Length
9976 mm
32.75 ft
Overall Length
15080 mm
49.5 ft
Wheel Base
7195 mm
23.58 ft
Rear Axle - Tail
3944 mm
12.9 ft
Dump Clearance
2017 mm
6.58 ft
Centerline Front Tire Width
6534 mm
21.41 ft
Overall Canopy Width
9116 mm
29.91 ft
Outside Body Width
9755 mm
32 ft
Inside Body Width
8513 mm
27.91 ft
Centerline of Rear Dual Tire Width
6233 mm
20.41 ft
Overall Tire Width
9529 mm
31.25 ft
Struck
72 m^3 / 94 yd^3
72 m^3 / 94 yd^3
Heaped (SAE 2:1)
99 m^3 / 129 yd^3
99 m^3 / 129 yd^3
Note
Consult your local Cat dealer for body recommendations.
Consult your local Cat dealer for body recommendations.
Height - Top of ROPS
5208 mm
17.09 ft
Overall Body Length
11985 mm
39.32 ft
Inside Body Length
8318 mm
27.29 ft
Overall Length
11957 mm
39.23 ft
Wheel Base
5180 mm
17 ft
Rear Axle - Tail
3829 mm
12.56 ft
Ground Clearance
1004 mm
3.29 ft
Dump Clearance
1128 mm
3.7 ft
Loading Height - Empty
5299 mm
17.39 ft
Inside Body Depth - Maximum
2790 mm
9.15 ft
Overall Height - Body Raised
12032 mm
39.48 ft
Operating Width
7535 mm
24.72 ft
Centerline Front Tire Width
4850 mm
15.91 ft
Engine Guard Clearance
1038 mm
3.41 ft
Overall Canopy Width
7562 mm
24.81 ft
Outside Body Width
6714 mm
22 ft
Inside Body Width
6010 mm
19.72 ft
Front Canopy Height
6035 mm
19.8 ft
Rear Axle - Clearance
990 mm
3.25 ft
Centerline of Rear Dual Tire Width
4285 mm
14.06 ft
Overall Tire Width
6277 mm
20.59 ft
Height - Top of ROPS
18.25 ft
5550 mm
Overall Body Length
42.5 ft
12945 mm
Inside Body Length
28.67 ft
8730 mm
Overall Length
42.58 ft
12970 mm
Wheel Base
18.67 ft
57000 mm
Rear Axle - Tail
12.67 ft
3856 mm
Ground Clearance
4.25 ft
1304 mm
Dump Clearance
5.17 ft
1585 mm
Loading Height - Empty
20.17 ft
6147 mm
Rear Sidewall Height
3.33 ft
1010 mm
Inside Body Depth - Maximum
10.08 ft
3075 mm
Overall Height - Body Raised
37.83 ft
11534 mm
Operating Width
25.67 ft
7822 mm
Centerline Front Tire Width
17.75 ft
5410 mm
Engine Guard Clearance
4.25 ft
1290 mm
Overall Canopy Width
25.5 ft
7769 mm
Outside Body Width
23.33 ft
7123 mm
Inside Body Width
22.67 ft
6920 mm
Front Canopy Height
22.08 ft
6739 mm
Rear Axle - Clearance
4.17 ft
1263 mm
Centerline of Rear Dual Tire Width
15.42 ft
4695 mm
Overall Tire Width
23.33 ft
7120 mm
X
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