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Engine 
Engine Model
Cat® C15
Cat® C15
Cat® C18
Rated Speed
2000 rpm
2000
1700/rpm
Peak Power Speed
1600 rpm
1600
1500/rpm
Gross Power - SAE J1995:2014
456 hp
340 kW
456 hp
340 kW
588 hp
439 kW
Net Power - SAE J1349:2011
448 hp
334 kW
373 hp
278 kW
538 hp
401 kW
Bore
5.4 in
137 mm
5.4 in
137 mm
5.7 in
145 mm
Stroke
6.75 in
171.5 mm
6.75 in
171.5 mm
7.2 in
183 mm
Displacement
927 in³
15.2 l
927 in²
15.2 l
1105 in³
18.1 l
Peak Torque (1,200 rpm) - SAE J1995:2014
1778 lbf·ft
2411 N·m
1778 lb/ft
2411 N·m
Torque Rise
16%
16%
58 %
58 %
Note (1)
Two engine emission options are available: 1. Meets U.S. EPA Tier 4 Final, EU Stage V, and Japan emission standards. 2. Meets Brazil MAR-1 emission standards, equivalent to U.S. EPA Tier 3 and EU Stage IIIA.
Two engine emission options are available: 1. Meets U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 emission standards. 2. Meets Brazil MAR-1 emission standards, equivalent to U.S. EPA Tier 3 and EU Stage IIIA.
Three engine emission options are available: 1. Meets U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 emission standards. 2. Meets Brazil MAR-1 emission standards, equivalent to U.S. EPA Tier 3 and EU Stage IIIA. 3. Meets China Nonroad Stage IV emission standards.
Note (2)
Net power advertised is the power available at the flywheel when the engine is equipped with fan at minimum speed, air intake system, exhaust system, and alternator.
Net power advertised is the power available at the flywheel when the engine is equipped with fan at minimum speed, air intake system, exhaust system, and alternator.
Net power advertised is the power available at the flywheel when the engine is equipped with fan at minimum speed, air intake system, exhaust system, and alternator.
Note (3)
Net power at the flywheel when the fan is at maximum speed is 304 kW / 408 hp per SAE reference conditions.
The machine sound power level was measured according to ISO 6395:2008. The measurement was conducted at 70% of the maximum engine cooling fan speed.
The machine sound power level was measured according to ISO 6395:2008. The measurement was conducted at 70% of the maximum engine cooling fan speed.
Operating Specifications
Operating Weight
112426 lb
50996 kg
112574 lb
51062 kg
Bucket Capacity Range
6.4-7.6 m3 (8.3-10 yd3)
5.0-10.3 m³ (6.5-13.5 yd³)
4.7-13 m3 (6.2-17 yd3)
Rated Payload - Quarry Face
12.5 ton (US)
11.3 t
12.5 t
11.3 t
Cat Truck Match - High Lift
772/773/775
772/773
773 - 775
Transmission
Transmission Type
Cat planetary power shift
Cat planetary power shift
Cat planetary powershift
Forward - 1
5 mile/h
7.3 km/h
5 mile/h
7.3 km/h
4.0 mile/h
6.5 km/h
Forward - 2
8 mile/h
12.2 km/h
8 mile/h
12.2 km/h
7.2 mile/h
11.6 km/h
Reverse - 1
5 mile/h
7.6 km/h
5 mile/h
7.6 km/h
4.7 mile/h
7.5 km/h
Reverse - 2
8 mile/h
13.6 km/h
8 mile/h
13.6 km/h
8.3 mile/h
13.3 km/h
Direct Drive - Forward 1
Lock-up disabled
Lock-up disabled
Direct Drive - Forward 2
8 mile/h
12.7 km/h
8 mile/h
12.7 km/h
7.8 mile/h
12.5 km/h
Direct Drive - Forward 3
14 mile/h
22 km/h
14 mile/h
22 km/h
13.9 mile/h
22.3 km/h
Direct Drive - Forward 4
24 mile/h
39 km/h
24 mile/h
39 km/h
24.4 mile/h
39.3 km/h
Direct Drive - Reverse 1
Lock-up disabled
5.0 mile/h
8.0 km/h
Direct Drive - Reverse 2
9 mile/h
14.1 km/h
9 mile/h
14.1 km/h
8.9 mile/h
14.3 km/h
Direct Drive - Reverse 3
16 mile/h
25 km/h
16 mile/h
25 km/h
15.8 mile/h
25.5 km/h
Direct Drive - Reverse 4
25.4 mile/h
40.8 km/h
25.4 mile/h
40.8 km/h
Note
Travel speeds based on 35/65-R33 tires.
- All dimensions are approximate.
- Specifications are calculated with a 6.1 m³ (8.0 yd³) rock bucket.
• All non-road Tier 4 Final/Stage V diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) or ULSD blended with the following lower-carbon intensity fuels** up to: – 20% biodiesel FAME (fatty acid methyl ester)* – 100% renewable diesel, HVO (hydrotreated vegetable oil) and GTL (gas-to-liquid) fuels. Refer to guidelines for successful application. Please consult your Cat dealer or “Caterpillar Machine Fluids Recommendations” (SEBU6250) for details. • Engines with no aftertreatment devices can use higher blends, up to 100% biodiesel (for use of blends higher than 20% biodiesel, consult your Cat dealer).** • For pre-Tier 4 engines: Cat engines are compatible with diesel fuel blended with the following lower-carbon intensity fuels** up to: – 100% biodiesel FAME (fatty acid methyl ester)* – 100% renewable diesel, HVO (hydrotreated vegetable oil) and GTL (gas-to-liquid) fuels. Refer to guidelines for successful application. Please consult your Cat dealer or “Caterpillar Machine Fluids Recommendations” (SEBU6250) for details. * For use of blends higher than 20% biodiesel, consult your Cat dealer. ** Tailpipe greenhouse gas emissions from lower-carbon intensity fuels are essentially the same as traditional fuels.
Hydraulic System - Lift/Tilt
Lift/Tilt System - Circuit
EH - Load Sense
Load Sense
EH- Positive Flow Control, Flow Sharing
Lift/Tilt System - Pump
Variable displacement piston
2 × 110 cc variable displacement
Variable displacement piston
Maximum Flow at 2,165 rpm
159 gpm
600 L/min
123 gpm
470 L/min
Relief Valve Setting - Lift/Tilt
4598 psi
31700 kPa
4050 psi
27900 kPa
4757 psi
32800 kPa
Cylinders, Double Acting - Lift, Bore and Stroke
190 mm x 1216 mm (7.5 in x 48 in)
210 mm × 1050 mm (8.7 in × 41.3 in)
Cylinders, Double Acting - Tilt, Bore and Stroke
170 mm x 722 mm (6.7 in x 28.4 in)
266 mm × 685 mm (8.7 in × 27 in)
Pilot System
Variable displacement piston
Variable displacement piston
Relief Valve Setting
500 psi
3450 kPa
Hydraulic Cycle Times
Rack Back
3.8 s
3.8 s
4.5 s
4.5 s
4.5 s
4.5 s
Raise
7.5 s
7.5 s
9 s
9 s
8.0 s
8.0 s
Dump
3.0 s
3.0 s
3.5 s
3.5 s
2.2 s
2.2 s
Lower Float Down
4.6 s
4.6 s
4.3 s
4.3 s
3.5 s
3.5 s
Total Hydraulic Cycle Time - Empty Bucket
18.9 s
18.9 s
18.2 s
18.2 s
Hydraulic System - Steering
Steering System - Circuit
Pilot, load sensing
Load Sense
Pilot, load sensing
Steering System - Pump
Piston, variable displacement
Piston, variable displacement
Piston, variable displacement
Maximum Flow at 2,165 rpm
159 gpm
600 L/min
123 gpm
470 L/min
Relief Valve Setting - Steering
4000 psi
27600 kPa
4351 psi
30000 kPa
Total Steering Angle
70°
70°
86 °
Steering Cycle Times - High Idle
3 s
3 s
3.4 s
3.4 s
Steering Cycle Times - Low Idle
5.2 s
5.2 s
5.6 s
5.6 s
Air Conditioning System
Air Conditioning
The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a or R1234yf. See the label or instruction manual for identification of the gas. - If equipped with R134a (Global Warming Potential = 1430), the system contains 1.8 kg (3.9 lb) of refrigerant, which has a CO2 equivalent of 2.574 metric tonnes (2.837 tons).
The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a or R1234yf. See the label or instruction manual for identification of the gas. - If equipped with R134a (Global Warming Potential = 1430), the system contains 1.8 kg (3.9 lb) of refrigerant, which has a CO2 equivalent of 2.574 metric tonnes (2.837 tons).
• The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a or R1234yf. See the label or instruction manual for identification of the gas. • If equipped with R134a (Global Warming Potential = 1430), the system contains 1.8 kg (3.9 lb) of refrigerant which has a CO2 equivalent of 2.574 metric tonnes (2.837 tons).
Axles
Front
Fixed
Fixed
Fixed
Rear
Trunnion
Trunnion
Trunnion
Oscillation Angle
+/-12.5°
±12.5°
13 °
Brakes
Brakes
ISO 3450:2011
ISO 3450:2011
ISO 3450:2011
Operator's Cab
ROPS/FOPS
Rollover Protective Structure/Falling Objects Protective Structure (ROPS/FOPS) meet ISO 3471:2008 and ISO 3449:2005 Level II standards
ROPS/FOPS meet ISO 3471:2008 (ROPS) and ISO 3449:2005 Level II (FOPS)
ROPS/FOPS meet ISO 3471:2008 and ISO 3449:2005 Level II standards
Sound Performance - Tier 4 Final / Stage V
Operator Sound Pressure Level (ISO 6396:2008)
73 dB(A)
73 dB(A)
73 dB(A)
73 dB(A)
73 dB(A)
73 dB(A)
Machine Sound Power Level (ISO 6395:2008)
113 dB(A)
113 dB(A)
113 dB(A)
113 dB(A)
111 dB(A)
111 dB(A)
Operator Sound Pressure Level (ISO 6396:2008)*
72 dB(A)
72 dB(A)
72 dB(A)
72 dB(A)
72 dB(A)
72 dB(A)
Machine Sound Power Level (ISO 6395:2008)**
110 dB(A)
110 dB(A)
110 dB(A)
110 dB(A)
109 dB(A)
109 dB(A)
Note (1)
Two engine emission options are available: 1. Meets U.S. EPA Tier 4 Final, EU Stage V, and Japan emission standards. 2. Meets Brazil MAR-1 emission standards, equivalent to U.S. EPA Tier 3 and EU Stage IIIA.
Two engine emission options are available: 1. Meets U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 emission standards. 2. Meets Brazil MAR-1 emission standards, equivalent to U.S. EPA Tier 3 and EU Stage IIIA.
Three engine emission options are available: 1. Meets U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 emission standards. 2. Meets Brazil MAR-1 emission standards, equivalent to U.S. EPA Tier 3 and EU Stage IIIA. 3. Meets China Nonroad Stage IV emission standards.
Note (2)
Net power advertised is the power available at the flywheel when the engine is equipped with fan at minimum speed, air intake system, exhaust system, and alternator.
Net power advertised is the power available at the flywheel when the engine is equipped with fan at minimum speed, air intake system, exhaust system, and alternator.
Net power advertised is the power available at the flywheel when the engine is equipped with fan at minimum speed, air intake system, exhaust system, and alternator.
Note (3)
Net power at the flywheel when the fan is at maximum speed is 304 kW / 408 hp per SAE reference conditions.
The machine sound power level was measured according to ISO 6395:2008. The measurement was conducted at 70% of the maximum engine cooling fan speed.
The machine sound power level was measured according to ISO 6395:2008. The measurement was conducted at 70% of the maximum engine cooling fan speed.
Note (4)
The operator sound pressure level was measured according to ISO 6396:2008. The measurement was conducted at 70% of the maximum engine cooling fan speed.
The operator sound pressure level was measured according to ISO 6396:2008. The measurement was conducted at 70% of the maximum engine cooling fan speed.
The operator sound pressure level was measured according to ISO 6396:2008. The measurement was conducted at 70% of the maximum engine cooling fan speed.
Note (5)
Hearing protection may be needed when the machine is operated with a cab that is not properly maintained or when the doors or windows are open for extended periods or in a noisy environment.
Hearing protection may be needed when the machine is operated with a cab that is not properly maintained or when the doors or windows are open for extended periods or in a noisy environment.
Hearing protection may be needed when the machine is operated with a cab that is not properly maintained or when the doors or windows are open for extended periods or in a noisy environment.
Sound Performance - Tier 3 / Stage IIIA
Operator Sound Pressure Level (ISO 6396:2008)
73 dB(A)
73 dB(A)
73 dB(A)
73 dB(A)
73 dB(A)
73 dB(A)
Machine Sound Power Level (ISO 6395:2008)
113 dB(A)
113 dB(A)
113 dB(A)
113 dB(A)
111 dB(A)
111 dB(A)
Operator Sound Pressure Level (ISO 6396:2008)*
72 dB(A)
72 dB(A)
72 dB(A)
72 dB(A)
72 dB(A)
72 dB(A)
Machine Sound Power Level (ISO 6395:2008)**
110 dB(A)
110 dB(A)
110 dB(A)
110 dB(A)
109 dB(A)
109 dB(A)
Note (1)
Two engine emission options are available: 1. Meets U.S. EPA Tier 4 Final, EU Stage V, and Japan emission standards. 2. Meets Brazil MAR-1 emission standards, equivalent to U.S. EPA Tier 3 and EU Stage IIIA.
Two engine emission options are available: 1. Meets U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 emission standards. 2. Meets Brazil MAR-1 emission standards, equivalent to U.S. EPA Tier 3 and EU Stage IIIA.
Three engine emission options are available: 1. Meets U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 emission standards. 2. Meets Brazil MAR-1 emission standards, equivalent to U.S. EPA Tier 3 and EU Stage IIIA. 3. Meets China Nonroad Stage IV emission standards.
Note (2)
Net power advertised is the power available at the flywheel when the engine is equipped with fan at minimum speed, air intake system, exhaust system, and alternator.
Net power advertised is the power available at the flywheel when the engine is equipped with fan at minimum speed, air intake system, exhaust system, and alternator.
Net power advertised is the power available at the flywheel when the engine is equipped with fan at minimum speed, air intake system, exhaust system, and alternator.
Note (3)
Net power at the flywheel when the fan is at maximum speed is 304 kW / 408 hp per SAE reference conditions.
The machine sound power level was measured according to ISO 6395:2008. The measurement was conducted at 70% of the maximum engine cooling fan speed.
The machine sound power level was measured according to ISO 6395:2008. The measurement was conducted at 70% of the maximum engine cooling fan speed.
Note (4)
The operator sound pressure level was measured according to ISO 6396:2008. The measurement was conducted at 70% of the maximum engine cooling fan speed.
The operator sound pressure level was measured according to ISO 6396:2008. The measurement was conducted at 70% of the maximum engine cooling fan speed.
The operator sound pressure level was measured according to ISO 6396:2008. The measurement was conducted at 70% of the maximum engine cooling fan speed.
Note (5)
Hearing protection may be needed when the machine is operated with a cab that is not properly maintained or when the doors or windows are open for extended periods or in a noisy environment.
Hearing protection may be needed when the machine is operated with a cab that is not properly maintained or when the doors or windows are open for extended periods or in a noisy environment.
Hearing protection may be needed when the machine is operated with a cab that is not properly maintained or when the doors or windows are open for extended periods or in a noisy environment.
Service Refill Capacities
Fuel Tank
141 gal (US)
535 l
141 gal (US)
535 l
188 gal (US)
712 l
Cooling System
27 gal (US)
101 l
31.7 gal (US)
120 l
Engine Crankcase
9 gal (US)
34 l
Diesel Exhaust Fluid Tank
5.5 gal (US)
21 l
6 gal (US)
23 l
Transmission
20 gal (US)
75 l
20 gal (US)
75 l
24.3 gal (US)
92 l
Differential - Final Drives - Front
49 gal (US)
186 l
49.1 gal (US)
186 l
Differential - Final Drives - Rear
45 gal (US)
170 l
49.1 gal (US)
186 l
Hydraulic System Factory Fill
94 gal (US)
355 l
87 gal (US)
330 l
125.5 gal (US)
475 l
Note
Travel speeds based on 35/65-R33 tires.
- All dimensions are approximate.
- Specifications are calculated with a 6.1 m³ (8.0 yd³) rock bucket.
• All non-road Tier 4 Final/Stage V diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) or ULSD blended with the following lower-carbon intensity fuels** up to: – 20% biodiesel FAME (fatty acid methyl ester)* – 100% renewable diesel, HVO (hydrotreated vegetable oil) and GTL (gas-to-liquid) fuels. Refer to guidelines for successful application. Please consult your Cat dealer or “Caterpillar Machine Fluids Recommendations” (SEBU6250) for details. • Engines with no aftertreatment devices can use higher blends, up to 100% biodiesel (for use of blends higher than 20% biodiesel, consult your Cat dealer).** • For pre-Tier 4 engines: Cat engines are compatible with diesel fuel blended with the following lower-carbon intensity fuels** up to: – 100% biodiesel FAME (fatty acid methyl ester)* – 100% renewable diesel, HVO (hydrotreated vegetable oil) and GTL (gas-to-liquid) fuels. Refer to guidelines for successful application. Please consult your Cat dealer or “Caterpillar Machine Fluids Recommendations” (SEBU6250) for details. * For use of blends higher than 20% biodiesel, consult your Cat dealer. ** Tailpipe greenhouse gas emissions from lower-carbon intensity fuels are essentially the same as traditional fuels.
Dimensions (Approximate) - High Lift
Ground to Top of ROPS
13.5 ft
4100 mm
13.5 ft
4100 mm
13.8 ft
4202 mm
Ground to Top of Exhaust Stacks
13.3 ft
4060 mm
13.3 ft
4060 mm
14.8 ft
4521 mm
Ground to Top of Hood
10.7 ft
3270 mm
10.7 ft
3270 mm
10.9 ft
3334 mm
Ground to Fuel Tank Clearance
2.2 ft
686 mm
2.3 ft
691 mm
Rear Axle - Centerline to Bumper
10.3 ft
3132 mm
10.3 ft
3132 mm
10.5 ft
3187 mm
Front Axle Centerline to Bucket Tip
16.7 ft
5100 mm
13.8 ft
4201 mm
14 ft
4254 mm
Wheel Base
12.5 ft
3810 mm
12.5 ft
3810 mm
14.9 ft
4550 mm
Maximum Overall Length
39.5 ft
12042 mm
36.6 ft
11143 mm
39.3 ft
11991 mm
Ground to Lower Hitch Clearance
1.5 ft
459 mm
1.5 ft
459 mm
1.9 ft
568 mm
Ground to Center of Front Axle
3.2 ft
978 mm
3.2 ft
978 mm
Clearance at Maximum Lift (45° Dump)
12 ft
3732 mm
B-Pin Height - Maximum Lift
18.7 ft
5755 mm
16.1 ft
4912 mm
18.0 ft
5485 mm
Maximum Overall Height - Bucket Raised
25 ft
7582 mm
22.4 ft
6817 mm
24.5 ft
7455 mm
Reach at Maximum Lift (45° Dump)
7.7 ft
2342 mm
Note
Travel speeds based on 35/65-R33 tires.
- All dimensions are approximate.
- Specifications are calculated with a 6.1 m³ (8.0 yd³) rock bucket.
• All non-road Tier 4 Final/Stage V diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) or ULSD blended with the following lower-carbon intensity fuels** up to: – 20% biodiesel FAME (fatty acid methyl ester)* – 100% renewable diesel, HVO (hydrotreated vegetable oil) and GTL (gas-to-liquid) fuels. Refer to guidelines for successful application. Please consult your Cat dealer or “Caterpillar Machine Fluids Recommendations” (SEBU6250) for details. • Engines with no aftertreatment devices can use higher blends, up to 100% biodiesel (for use of blends higher than 20% biodiesel, consult your Cat dealer).** • For pre-Tier 4 engines: Cat engines are compatible with diesel fuel blended with the following lower-carbon intensity fuels** up to: – 100% biodiesel FAME (fatty acid methyl ester)* – 100% renewable diesel, HVO (hydrotreated vegetable oil) and GTL (gas-to-liquid) fuels. Refer to guidelines for successful application. Please consult your Cat dealer or “Caterpillar Machine Fluids Recommendations” (SEBU6250) for details. * For use of blends higher than 20% biodiesel, consult your Cat dealer. ** Tailpipe greenhouse gas emissions from lower-carbon intensity fuels are essentially the same as traditional fuels.