U.S. EPA Tier 4 Final/EU Stage V or
U.S. EPA Tier 1 equivalent
U.S. EPA TIer 4 Final and EU Stage V emission standards or U.S. EPA Tier 2 and EU Stage II equivalent
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Engine Power - ISO 14396
1847 HP
752 HP
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Gross Power - SAE J1995
1870 HP
766 HP
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Net Power - SAE J1349 - Standard Ambient
1739 HP
699 HP
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Net Power - SAE J1349 - High Ambient
1696 HP
648 HP
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Bore
6.7 in
5.4 in
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Stroke
8.5 in
6 in
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Displacement
4766 in³
1649.5 in³
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Peak Torque - 1,200 rpm - SAE J1995
8549 lb/ft
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Torque Rise
39%
18 %
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Note (1)
The power ratings apply when tested under the reference conditions for the specified standard.
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Note (2)
The net power advertised is the power available at the flywheel when the engine is equipped with fan, alternator, air cleaner and muffler.
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Note (3)
The gross power advertised is with the fan at maximum speed.
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Rated Speed
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1,800/min
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Peak Torque - 1,200 rpm
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2624 lb/ft
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Operating Specifications
Operating Weight - Standard
543772 lb
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Bucket Capacity Range
17.2-43.6 m3 (22.3-57 yd3)
8.6 m³ – 10.0 m³ (11.25 yd³ – 13.0 yd³)
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Operating Weight - High Lift
547675 lb
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Rated Payload - Standard Lift (Low to Moderate Digging Resistance)
60 ton (US)
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Rated Payload - Standard Lift (Moderate to High Digging Resistance)
50 ton (US)
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Rated Payload - High Lift (Low to Moderate Digging Resistance)
55 ton (US)
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Rated Payload - High Lift (Moderate to High Digging Resistance)
50 ton (US)
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Note
*Please contact your local dealer to determine if your application is suitable for this increased rated payload.
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Cat Truck Match - Standard
785/789
773-775
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Cat Truck Match - High Lift
789/793/794
775-777
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Operating Weight
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178517 lb
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Rated Payload - Standard
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17.5 ton (US)
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Rated Payload - High Lift
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17.5 ton (US)
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Complete System Fill
Fuel Tank - Standard
856 gal (US)
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Fuel Tank - With 24 hr Attachment
1414 gal (US)
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Cooling System
138 gal (US)
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Engine Crankcase
76 gal (US)
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Transmission
110 gal (US)
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Differential - Final Drives - Front
220 gal (US)
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Differential - Final Drives - Rear
200 gal (US)
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Hydraulic Tank - Implement and Hydraulic Fan
270 gal (US)
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Hydraulic Tank - Steering and Braking
100 gal (US)
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Oil Renewal System (ORS)*
20 gal (US)
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Note
*Not available on Tier 4 Final/Stage V machines. Not available in all regions.
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Axles
Front
Fixed
Fixed
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Rear
Trunnion
Trunnion
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Oscillation Angle
9°
8.5°
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Cooling System
Ambient Capability Hydraulically Driven Demand Fan - Standard
109.4 °F
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Ambient Capability Hydraulically Driven Demand Fan - High (Tier 1 equivalent)
131 °F
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Ambient Capability Hydraulically Driven Demand Fan - High (Tier 4 Final)
127.4 °F
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Sound Performance - Standard
Operator Sound Level (ISO 6396:2008) - Tier 1/EU Stage I Equivalent
74 dB(A)
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Machine Sound Level (ISO 6395:2008)
119 dB(A)
115 dB(A)
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Note
The declared sound levels listed above include the addition of both measurement uncertainty and uncertainty due to production variation. Typical measurement uncertainty for this type of machine is 2 dBA in accordance with "ISO 4871". The measurement was c
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Operator Sound Level (ISO 6396:2008)
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65.5 dB(A)
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Sound Performance - Suppression
Operator Sound Level (ISO 6396:2008) - Tier 1/EU Stage I Equivalent
73 dB(A)
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Machine Sound Level (ISO 6395:2008)
117 dB(A)
113 dB(A)
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Note
The declared sound levels listed above include the addition of both measurement uncertainty and uncertainty due to production variation. Typical measurement uncertainty for this type of machine is 2 dBA in accordance with "ISO 4871". The measurement was c
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Operator Sound Level (ISO 6396:2008)
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65.5 dB(A)
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Hydraulic System - Steering
Steering System - Circuit
Pilot, Load Sensing
Pilot, load sensing
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Steering System - Pump
Piston, Variable Displacement
Piston, variable displacement
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Total Steering Angle
80 degrees
70°
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Steering Cycle Times - Low Idle
7.6 s
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Steering Cycle Times - High Idle
4.3 s
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Maximum Flow at 1,400 rpm
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96.2 gal/min
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Relief Valve Setting - Steering
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5004 psi
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Dimensions - Standard Lift - Approximate
B-Pin Height - Maximum Lift
28.8 ft
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Clearance at Maximum Lift
19.8 ft
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Dump Angle at Maximum Lift
–50.0 degrees
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Front Axle Centerline to Bucket Tip
21.9 ft
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Ground to Bumper Clearance
4.4 ft
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Ground to Center of Axles
6 ft
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Ground to Lower Hitch Clearance
2.9 ft
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Ground to Top of Exhaust Stacks
23.2 ft
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Ground to Top of Hood
18.6 ft
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Ground to Top of ROPS
23.4 ft
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Maximum Overall Height - Bucket Raised
39.3 ft
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Maximum Overall Length
64.6 ft
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Note
Assumes loaded 58/85-57 tires, tires at a static loaded radius of 1830 mm (6 ft), 596-5330 26 m3 (34 yd3) bucket, 431-0064 HD tips.
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Rack Angle at Maximum Lift
59.5 degrees
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Rack Back Angle - Carry
47.7 degrees
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Rack Back Angle - Ground Level
39.7 degrees
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Reach - Maximum Lift
9.6 ft
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Rear Axle - Centerline to Bumper
20.4 ft
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Tread Width
14.1 ft
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Wheel Base
22.3 ft
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Width - Over Tires - With Bulge
18.8 ft
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Dimensions - High Lift - Approximate
B-Pin Height - Maximum Lift
31.6 ft
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Clearance at Maximum Lift
22.6 ft
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Dump Angle at Maximum Lift
–50.0 degrees
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Front Axle Centerline to Bucket Tip
24.2 ft
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Ground to Bumper Clearance
4.4 ft
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Ground to Center of Axles
6 ft
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Ground to Lower Hitch Clearance
2.9 ft
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Ground to Top of Exhaust Stacks
23.2 ft
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Ground to Top of Hood
18.6 ft
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Ground to Top of ROPS
23.4 ft
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Maximum Overall Height - Bucket Raised
42.1 ft
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Maximum Overall Length
66.9 ft
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Note
Assumes loaded 58/85-57 tires, tires at a static loaded radius of 1830 mm (6 ft), 596-5330 26 m3 (34 yd3) bucket, 431-0064 HD tips.
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Rack Angle at Maximum Lift
59.4 degrees
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Rack Back Angle - Carry
53.5 degrees
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Rack Back Angle - Ground Level
45 degrees
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Reach - Maximum Lift
9.4 ft
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Rear Axle - Centerline to Bumper
20.4 ft
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Tread Width
14.1 ft
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Wheel Base
22.3 ft
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Width - Over Tires - With Bulge
18.8 ft
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Transmission
Transmission Type
Cat Planetary Power Shift
Cat planetary power shift
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Forward - 1
4.6 mile/h
4.5 mile/h
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Forward - 2
8 mile/h
8.3 mile/h
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Forward - 3
13.6 mile/h
14.2 mile/h
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Reverse - 1
5 mile/h
4.9 mile/h
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Reverse - 2
8.8 mile/h
9.1 mile/h
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Reverse - 3
14.9 mile/h
15.5 mile/h
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Direct Drive - Forward 1
Lock-up disables
Lock-up disabled
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Direct Drive - Forward 2
8.7 mile/h
8.5 mile/h
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Direct Drive - Forward 3
15.2 mile/h
15.2 mile/h
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Direct Drive - Reverse 1
Lock-up disables
5.4 mile/h
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Direct Drive - Reverse 2
9.6 mile/h
9.6 mile/h
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Direct Drive - Reverse 3
16.8 mile/h
16.4 mile/h
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Note
Travel speeds based on 58/85-57 tires.
Travel speeds based on Michelin 45/65R39 LD D2**L5 tires.
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Hydraulic System - Lift/Tilt
Lift/Tilt System - Circuit
Positive Flow Control
Positive flow control
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Lift/Tilt System - Pump
Variable Displacement Piston
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Maximum Flow at 1,700 rpm Engine Speed
541 gal/min
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Relief Valve Setting - Lift/Tilt
5004 psi
4786 psi
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Cylinders, Double Acting - Lift, Bore and Stroke
370 × 1713 mm (14.6 × 67.4 in)
235 mm × 1287 mm (9.3 in × 50.7 in)
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Cylinders, Double Acting - Tilt, Bore and Stroke
310 × 1086 mm (12.2 × 42.8 in)
292.1 mm × 820 mm (11.5 in × 32.3 in)
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Pilot System
Open Loop and Pressure Reducing
Open loop and pressure reducing
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Lift/Tilt System
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Variable displacement piston
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Maximum Flow at 1,800 rpm (1)
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240 gal/min
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Relief Valve Setting - Main
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507 psi
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Hydraulic Cycle Times
Rack Back
4.9 s
4.3 s
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Raise
12.6 s
8.2 s
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Dump
3.1 s
2.9 s
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Lower Float Down
4.2 s
3.6 s
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Lower
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3.7 s
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Total Hydraulic Cycle Time - Empty Bucket
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13.8 s
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Brakes
Brakes
ISO 3450:2011
ISO 3450: 2011
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Air Conditioning System
Air Conditioning
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The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 2.7 kg of refrigerant which has a CO2 equivalent of 3.861 metric tonnes (4.256 tons).
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Service Refill Capacities
Fuel Tank
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294.3 gal (US)
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Cooling System
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54.9 gal (US)
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Engine Crankcase
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20 gal (US)
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Transmission
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29.1 gal (US)
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Differential - Final Drives - Front
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71.6 gal (US)
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Differential - Final Drives - Rear
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68.9 gal (US)
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Hydraulic System Factory Fill
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210 gal (US)
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Hydraulic Tank - Implement and Hydraulic Fan
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68.9 gal (US)
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Hydraulic Tank - Steering and Braking
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34.9 gal (US)
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Note
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All nonroad U.S. EPA Tier 4 diesel engines are required to use only Ultra Low Sulfur Diesel (ULSD) fuels containing 15 ppm (mg/kg) sulfur or less. Biodiesel blends up to B20 (20% blend by volume) are acceptable when blended with 15 ppm (mg/kg) sulfur or l
