Maximum Gross Power - Maximum Engine Speed (Performance Power Mode: Range 1-4)
1800 r/min
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-
Note (2)
Net power ratings are tested at the reference conditions for the specified standard and denote power available at the flywheel when the engine is equipped with alternator, air cleaner, emission components and fan at specified speed.
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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Maximum Net Torque - SAE J1349 (Performance [HP+] Power Mode: Range 1-4)
649 ft·lbf
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-
Maximum Gross Torque - ISO 14396 (Performance Power Mode: Range 1-4)
664 ft·lbf
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-
Maximum Gross Power - Maximum Engine Speed (Standard Power Mode: Range 1-3*)
1600 r/min
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-
Maximum Gross Power - ISO 14396 (Standard Power Mode: Range 1-3*)
173 HP
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-
Maximum Gross Torque - ISO 14396 (Standard Power Mode: Range 1-3*)
642 ft·lbf
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Engine Model
Cat® C7.1
Cat® 3516E
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Maximum Net Torque - SAE J1349 (Standard Power Mode: Range 1-3*)
627 ft·lbf
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Note (3)
No derating required up to 3000 m (10,000 ft) altitude. Auto derate protects hydraulic and transmission systems.
The gross power advertised is with the fan at maximum speed.
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Maximum Gross Power - ISO 14396 (Performance Power Mode: Range 1-4)
188 HP
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Emissions
The Cat C7.1 engine meets U.S. EPA Tier 4 Final/EU Stage V and Korea Tier 4 Final emission standards.
U.S. EPA Tier 4 Final/EU Stage V or
U.S. EPA Tier 1 equivalent
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Note (1)
*Range 4 power and torque is equal to Performance Mode with Caterpillar Power by Range technology.
The power ratings apply when tested under the reference conditions for the specified standard.
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Maximum Net Torque - ISO 9249:2007 (Performance Power Mode: Range 1-4)
650 ft·lbf
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Maximum Net Torque - ISO 9249:2007 (Standard Power Mode: Range 1-3*)
628 ft·lbf
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Net Power - ISO 9249 (metric) at Minimum Fan Speed (Performance Power Mode: Range 1-4)
186 HP
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Engine Power - ISO 14396
188 HP
1847 HP
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Engine Power - ISO 14396 - Metric
190 HP
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Maximum Gross Power - ISO 14396 (metric) (Performance Power Mode: Range 1-4)
190 HP
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Net Power - ISO 9249 at Minimum Fan Speed (Performance Power Mode: Range 1-4)
184 HP
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Net Power - SAE J1349 at Minimum Fan Speed (Performance Power Mode: Range 1-4)
183 HP
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Net Power (Standard Power Mode: Range 1-3*)
1600 r/min
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Net Power (Performance Power Mode: Range 1-4)
1800 r/min
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Maximum Gross Power - ISO 14396 (metric) (Standard Power Mode: Range 1-3*)
176 HP
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Net Power - ISO 9249 at Minimum Fan Speed (Standard Power Mode: Range 1-3*)
170 HP
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Net Power - SAE J1349 at Minimum Fan Speed (Standard Power Mode: Range 1-3*)
170 HP
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Net Power - ISO 9249 (metric) at Minimum Fan Speed (Standard Power Mode: Range 1-3*)
172 HP
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Gross Power - SAE J1995
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1870 HP
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Net Power - SAE J1349 - Standard Ambient
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1739 HP
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Net Power - SAE J1349 - High Ambient
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1696 HP
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Peak Torque - 1,200 rpm - SAE J1995
-
8549 lb/ft
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Torque Rise
-
39%
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Weights
Operating Weight
41794 lb
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-
Operating Weight (1)
17 258 kg (38,046 lb)**
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Operating Weight (2)
18 958 kg (41,794 lb)^
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Note (2)
^Dimensions listed are for a machine configured with standard counterweights, waste guarding, rear waste gate, 80 kg (176 lb) operator, and new solid tires.
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Note (1)
**Dimensions listed are for a machine configured with optional counterweights, waste guarding, 80 kg (176 lb) operator, and Michelin 20.5 R25 XMINE D2 tires.
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Buckets
Bucket Capacities
3.0-5.0 m3 (3.9-6.5 yd3)
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Cab
ROPS
ISO 3471:2008
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FOPS
ISO 3449:2005 LEVEL II
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Declared Sound Levels - Exterior Sound Power Level (ISO 6395:2008)*
101 dB(A)
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Note (1)
* Measurements were conducted at 70% of maximum engine cooling fan speed. Sound level may vary at different engine cooling fan speeds. The cab was properly installed and maintained. The measurements were conducted with the cab doors and the cab windows cl
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Declared Sound Levels - Operator Sound Pressure Level (ISO 6396:2008)*
68 dB(A)
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Operating Specifications
Note (1)
**Dimensions listed are for a machine configured with optional counterweights, waste guarding, 80 kg (176 lb) operator, and Michelin 20.5 R25 XMINE D2 tires.
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Full Turn Tip Load (1)
9795 kg (21,594 lb)**
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Note (2)
^Dimensions listed are for a machine configured with standard counterweights, waste guarding, rear waste gate, 80 kg (176 lb) operator, and new solid tires.
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Full Turn Tip Load (2)
10 741 kg (23,679 lb)^
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Operating Weight - Standard
-
543772 lb
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Bucket Capacity Range
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17.2-43.6 m3 (22.3-57 yd3)
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Operating Weight - High Lift
-
547675 lb
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Rated Payload - Standard Lift (Low to Moderate Digging Resistance)
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60 ton (US)
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Rated Payload - Standard Lift (Moderate to High Digging Resistance)
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50 ton (US)
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Rated Payload - High Lift (Low to Moderate Digging Resistance)
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55 ton (US)
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Rated Payload - High Lift (Moderate to High Digging Resistance)
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50 ton (US)
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Note
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*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
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785/789
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Cat Truck Match - High Lift
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789/793/794
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Air Conditioning System
Air Conditioning
The air conditioning system on this machine contains the flourinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.9 kg of refrigerant which has a CO2 equivalent of 2.717 metric tonnes.
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Loader Hydraulic System
Maximum Flow - Implement Pump - 4th Function Maximum Flow*
42 gal/min
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Relief Pressure - Tilt Cylinder - 3rd and 4th Function Relief Pressure
4351 psi
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Relief Pressure - Tilt Cylinder
4351 psi
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Relief Pressure - Tilt Cylinder - 3rd and 4th Function Maximum Working Pressure
4061 psi
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Note (1)
Implement system uses a dedicated load sensing variable displacement pump with dual double acting lift cylinders and a single double acting tilt cylinder.
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Maximum Flow - Implement Pump
50 gal/min
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Cycle Times - Performance (HP+) at 1,800 rpm/Standard Power Mode at 1,600 rpm - Raise (Ground Level to Maximum Lift)
5.5/6.2 seconds
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Note (2)
Flow values listed are for a machine running in Performance Power Mode (1,800 rpm).
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Cycle Times - Performance (HP+) at 1,800 rpm/Standard Power Mode at 1,600 rpm - Total Cycle Time
9.7/10.6 seconds
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Maximum Working Pressure - Implement Pump
4061 psi
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Note (3)
* 3rd and 4th function flow is fully adjustable from 20% to 100% of maximum flow through the touch screen display when equipped.
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Cycle Times - Performance (HP+) at 1,800 rpm/Standard Power Mode at 1,600 rpm - Float Down (Maximum Lift to Ground Level)
2.7/2.7 seconds
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Cycle Times - Performance (HP+) at 1,800 rpm/Standard Power Mode at 1,600 rpm - Dump (at Maximum Lift Height)
1.5/1.7 seconds
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Maximum Flow - Implement Pump - 3rd Function Maximum Flow*
50 gal/min
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Lift Cylinder: Standard Lift Linkage - Stroke
31.1 in
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Tilt Cylinder: Standard Lift Linkage - Rod Diameter
3.5 in
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Lift Cylinder: Standard Lift Linkage - Rod Diameter
2.6 in
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Tilt Cylinder: Standard Lift Linkage - Bore Diameter
5.9 in
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Lift Cylinder: Standard Lift Linkage - Bore Diameter
4.7 in
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Tilt Cylinder: Standard Lift Linkage - Stroke
21.9 in
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Steering
Maximum Steering Torque - 0° (Straight Machine)
42506 ft·lbf
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Maximum Steering Torque - 40° (Full Turn)
31398 ft·lbf
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Maximum Working Pressure - Steering Pump
3500 psi
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Steering Cycle Times - Full Left to Full Right - Maximum RPM: 90 rpm Steering Wheel Speed
2.3 s
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Steering Cylinder, Double Acting - Bore Diameter
3.1 in
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Steering Cylinder, Double Acting - Stroke
15.7 in
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Steering Cycle Times - Full Left to Full Right - Minimum RPM: Pump Flow Limited
3.1 s
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Note (1)
Steering system uses a dedicated load sensing variable displacement pump with dual double acting cylinders.
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Steering Cylinder, Double Acting - Rod Diameter
2 in
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Maximum Flow - Steering Pump
34 gal/min
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Note (2)
Flow values listed are for a machine running in Performance Power Mode (1,800 rpm).
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Transmission
Forward and Reverse - Range 2
8 mile/h
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Forward and Reverse - Range 4
25 mile/h
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Note
*Creeper control allows maximum speed range adjustability from 1 km/h (0.6 mph) to 13 km/h (8 mph) in Range 1 through the touch screen display when equipped. Factory default is 7 km/h (4.4 mph).
Travel speeds based on 58/85-57 tires.
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Forward and Reverse - Range 3
17 mile/h
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Forward and Reverse - Range 1*
1-13 km/h (0.6-8 mph)
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Transmission Type
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Cat Planetary Power Shift
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Forward - 1
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4.6 mile/h
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Forward - 2
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8 mile/h
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Forward - 3
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13.6 mile/h
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Reverse - 1
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5 mile/h
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Reverse - 2
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8.8 mile/h
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Reverse - 3
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14.9 mile/h
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Direct Drive - Forward 1
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Lock-up disables
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Direct Drive - Forward 2
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8.7 mile/h
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Direct Drive - Forward 3
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15.2 mile/h
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Direct Drive - Reverse 1
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Lock-up disables
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Direct Drive - Reverse 2
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9.6 mile/h
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Direct Drive - Reverse 3
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16.8 mile/h
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Power Train
Front Axle - Traction Aid
Locking differential
-
-
Note (1)
Power train is governed by the Caterpillar exclusive Intelligent Power Management system to deliver peak performance and efficiency.
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Rear Axle
Oscillating
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Note (3)
Differential front locking axle can be engaged on the go at full torque up to 20 km/h (12.4 mph) on the 938M.
*Not available on Tier 4 Final/Stage V machines. Not available in all regions.
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Axles
Front
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Fixed
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Rear
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Trunnion
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Oscillation Angle
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9°
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Cooling System
Ambient Capability Hydraulically Driven Demand Fan - Standard
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109.4 °F
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Ambient Capability Hydraulically Driven Demand Fan - High (Tier 1 equivalent)
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131 °F
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Ambient Capability Hydraulically Driven Demand Fan - High (Tier 4 Final)
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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)
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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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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)
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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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Hydraulic System - Steering
Steering System - Circuit
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Pilot, Load Sensing
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Steering System - Pump
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Piston, Variable Displacement
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Total Steering Angle
-
80 degrees
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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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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.
