Dozers

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824K
824K
  • 834
  • 844
  • 854
834
  • 824K
  • 844
  • 854
844
  • 824K
  • 834
  • 854
UNITS:
Metric
Imperial
Engine Model
Cat® C15 
Cat® C15 
 
Cat® C18 
Cat® C18 
 
C27 Cat®
C27 Cat®
Net Power - ISO 9249
302 kW
405 HP
 
-
 
-
Stroke
171.4 mm
6.7 in
 
183 mm
7.2 in
 
152.4 mm
6 in
Gross Power
324 kW
435 HP
 
-
 
-
Emissions
Meets U.S. EPA Tier 4 Final/EU Stage IV emission standards or meets U.S. EPA Tier 3/EU Stage IIIA equivalent emission standards
Meets U.S. EPA Tier 4 Final/EU Stage IV emission standards or meets U.S. EPA Tier 3/EU Stage IIIA equivalent emission standards
 
U.S. EPA Tier 4 Final and EU Stage V emission standards or equivalent to U.S. EPA Tier 3 and U.S. EPA Tier 2.
U.S. EPA Tier 4 Final and EU Stage V emission standards or equivalent to U.S. EPA Tier 3 and U.S. EPA Tier 2.
 
U.S. EPA Tier 4 Final and EU Stage V or China Nonroad Stage III Emissions standards, equivalent to U.S. EPA Tier 2
U.S. EPA Tier 4 Final and EU Stage V or China Nonroad Stage III Emissions standards, equivalent to U.S. EPA Tier 2
Displacement
15.2 l
927.6 in³
 
18.1 l
1105 in³
 
27.03 l
1649.5 in³
Bore
137.2 mm
5.4 in
 
145 mm
5.7 in
 
137.2 mm
5.4 in
Rated Speed
-
 
1900 r/min
1900 r/min
 
1800 r/min
1800 r/min
Peak Power Speed
-
 
1500 r/min
1500 r/min
 
-
Gross Power - SAE J1995
-
 
419 kW
562 HP
 
571 kW
766 HP
Net Power - SAE J1349
-
 
370 kW
496 HP
 
-
Peak Torque - 1,300 rpm
-
 
2836 N·m
2092 lb/ft
 
-
Torque Rise
-
 
52 %
52 %
 
18 %
18 %
Gross Power - ISO 14396
-
 
-
 
561 kW
752 HP
Net Power - SAE J1349 - Standard Ambient
-
 
-
 
521 kW
699 HP
Net Power - SAE J1349 - High Ambient
-
 
-
 
483 kW
648 HP
Peak Torque - Speed
-
 
-
 
3557 N·m
2624 lb/ft
Transmission Type
Planetengetriebe – Lastschaltgetriebe – ECPC (Electronic Clutch Pressure Control, Elektronische Kupplungsdrucksteuerung)
Planetengetriebe – Lastschaltgetriebe – ECPC (Electronic Clutch Pressure Control, Elektronische Kupplungsdrucksteuerung)
 
Cat planetary power shift
Cat planetary power shift
 
Cat Planetary Power Shift
Cat Planetary Power Shift
Forward - 1
-
 
6.8 km/h
4.2 mile/h
 
-
Forward - 2
-
 
11.6 km/h
7.2 mile/h
 
-
Forward - 3
-
 
20.3 km/h
12.6 mile/h
 
-
Forward - 4
-
 
35.4 km/h
22 mile/h
 
-
Reverse - 1
-
 
6.8 km/h
4.2 mile/h
 
-
Reverse - 2
-
 
12.2 km/h
7.6 mile/h
 
-
Reverse - 3
-
 
21.4 km/h
13.3 mile/h
 
-
Direct Drive - Forward 1
-
 
Lock-up disabled
Lock-up disabled
 
Lock-up disabled
Lock-up disabled
Direct Drive - Forward 2
-
 
12.4 km/h
7.7 mile/h
 
13.7 km/h
8.5 mile/h
Direct Drive - Forward 3
-
 
22.1 km/h
13.7 mile/h
 
24.5 km/h
15.2 mile/h
Direct Drive - Forward 4
-
 
38.5 km/h
23.9 mile/h
 
-
Direct Drive - Reverse 1
-
 
7.2 km/h
4.5 mile/h
 
8.7 km/h
5.4 mile/h
Direct Drive - Reverse 2
-
 
13 km/h
8.1 mile/h
 
15.4 km/h
9.6 mile/h
Direct Drive - Reverse 3
-
 
23 km/h
14.3 mile/h
 
26.4 km/h
16.4 mile/h
Converter Drive - Forward 1
-
 
-
 
7.3 km/h
4.5 mile/h
Converter Drive - Forward 2
-
 
-
 
13.3 km/h
8.3 mile/h
Converter Drive - Forward 3
-
 
-
 
22.9 km/h
14.2 mile/h
Converter Drive - Reverse 1
-
 
-
 
7.9 km/h
4.9 mile/h
Converter Drive - Reverse 2
-
 
-
 
14.7 km/h
9.1 mile/h
Converter Drive - Reverse 3
-
 
-
 
24.9 km/h
15.5 mile/h
Front
Planetary – Fixed
Planetary – Fixed
 
Fixed
Fixed
 
Fixed
Fixed
Rear
Planetary – Oscillating
Planetary – Oscillating
 
Trunnion
Trunnion
 
Trunnion
Trunnion
Oscillation Angle
±11°
±11°
 
±13°
±13°
 
8.5 °
8.5 °
Differential - Final Drives - Front
100 l
26.4 gal (US)
 
186 l
49.1 gal (US)
 
271 l
71.6 gal (US)
Fuel Tank
782 l
206.6 gal (US)
 
793 l
209.5 gal (US)
 
-
Differential - Final Drives - Rear
110 l
29.1 gal (US)
 
186 l
49.1 gal (US)
 
261 l
68.9 gal (US)
Transmission
66 l
17.4 gal (US)
 
120 l
31.7 gal (US)
 
110 l
29.1 gal (US)
Cooling System
116 l
30.6 gal (US)
 
120 l
31.7 gal (US)
 
208 l
54.9 gal (US)
Crankcase
-
 
60 l
15.9 gal (US)
 
76 l
20 gal (US)
Diesel Exhaust Fluid Tank
-
 
33 l
8.7 gal (US)
 
-
Hydraulic System Factory Fill
-
 
240 l
63.4 gal (US)
 
-
Hydraulic System - Tank Only
-
 
140 l
37 gal (US)
 
-
Fuel Tank - Standard
-
 
-
 
1085 l
286.6 gal (US)
Hydraulic System - Implement and Hydraulic Fan
-
 
-
 
261 l
68.9 gal (US)
Hydraulic System - Steering and Braking
-
 
-
 
132 l
34.9 gal (US)
Operating Weight
34004 kg
74966 lb
 
47750 kg
105271 lb
 
74883 kg
165089 lb
Blade Capacities
-
 
7.9 – 22.2 m3 (10.3 – 29.0 yd3)
7.9 – 22.2 m3 (10.3 – 29.0 yd3)
 
15.9 - 30.7 m3 (20.7 - 40.2 yd3)
15.9 - 30.7 m3 (20.7 - 40.2 yd3)
Coal Scoop Operating Weight
-
 
51103 kg
112428 lb
 
-
Chip Scoop Operating Weight
-
 
112838 kg
112838 lb
 
-
Height - Top of Hood
3204 mm
10.5 ft
 
3862 mm
12.7 ft
Height - Top of Cab
4100 mm
13.5 ft
 
-
Wheel Base
3700 mm
12.1 ft
 
4600 mm
15.1 ft
Centerline of Rear Axle to Edge of Bumper
2830 mm
9.3 ft
 
3795 mm
12.5 ft
Height - Top of Exhaust Stack
4332 mm
14.2 ft
 
-
Ground Clearance
441.4 mm
1.4 ft
 
596 mm
2 ft
Centerline of Front Axle to Hitch
1850 mm
6.1 ft
 
2300 mm
7.5 ft
Height - Top of ROPS
-
 
5240 mm
17.2 ft
Height - Top of Exhaust Pipe
-
 
5049 mm
16.6 ft
Length - With Blade on Ground
-
 
11120 mm
36.5 ft
Cylinder, Double Acting - Tilt and Tip, Bore and Stroke
140 mm × 230 mm (5.5 in × 9.1 in)
140 mm × 230 mm (5.5 in × 9.1 in)
Cylinders, Double Acting - Lift, Bore and Stroke
120 mm × 1070 mm (4.7 in × 42.1 in)
120 mm × 1070 mm (4.7 in × 42.1 in)
Steering System - Circuit
Double Acting – End Mounted
Double Acting – End Mounted
 
Pilot, load sensing
Pilot, load sensing
 
Pilot, load sensing
Pilot, load sensing
Steering System - Pump
Piston – Variable Displacement
Piston – Variable Displacement
 
Piston, variable displacement
Piston, variable displacement
 
Piston, variable displacement
Piston, variable displacement
Maximum Flow
-
 
250 l/min
65.8 gal/min
 
357 l/min
94.3 gal/min
Relief Valve Setting - Steering
-
 
24100 kPa
3495 psi
 
-
Total Steering Angle
-
 
86 °
86 °
 
35 °
35 °
Steering Cycle Times - High Idle
-
 
3.1 s
3.1 s
 
-
Steering Cycle Times - Low Idle
-
 
5.7 s
5.7 s
 
-
Minimum Turning Radius - Over Blade
-
 
-
 
10369 mm
34 ft
Relief Valve Setting
-
 
-
 
31000 kPa
4500 psi
Lift/Tilt System - Circuit
Pilot operated LS valve with EH
Pilot operated LS valve with EH
 
-
Lift/Tilt System
Variable displacement piston
Variable displacement piston
 
-
Maximum Flow at 1,900 rpm
582 l/min
153 gal/min
 
-
Relief Valve Setting - Lift/Tilt
32000 kPa
4641 psi
 
-
Cylinders, Double Acting - Lift, Bore and Stroke
139.75 mm × 1021 mm (5.5 in × 40.2 in)
139.75 mm × 1021 mm (5.5 in × 40.2 in)
 
133 mm × 1535 mm (5.25 in × 60.4 in)
133 mm × 1535 mm (5.25 in × 60.4 in)
Cylinders, Double Acting - Left and Right Tilt, Bore and Stroke
140 mm × 230 mm (5.5 in × 9.1 in)
140 mm × 230 mm (5.5 in × 9.1 in)
 
-
Pilot System
Variable displacement piston
Variable displacement piston
 
-
Pilot Maximum Flow
52 l/min
13.7 gal/min
 
-
Pilot Relief Valve Setting
4000 kPa
580 psi
 
-
Output at 2,000 rpm and 6900 kPa (1,000 psi)
-
 
311 l/min
82 gal/min
Cylinder, Double Acting - Tilt and Tip, Bore and Stroke
-
 
210 mm × 188 mm (8.25 in × 7.4 in)
210 mm × 188 mm (8.25 in × 7.4 in)
Relief Valve Setting - Bulldozer (Large Pump)
-
 
18650 kPa
2700 psi
Relief Valve Setting - Tilt Cylinders (Small Pump)
-
 
20150 kPa
2920 psi
Air Conditioning
The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.8 kg of refrigerant which has a CO2 equivalent of 2.574 metric tonnes.
The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.8 kg of refrigerant which has a CO2 equivalent of 2.574 metric tonnes.
 
The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.8 kg of refrigerant which has a CO2 equivalent of 2.574 metric tonnes.
The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.8 kg of refrigerant which has a CO2 equivalent of 2.574 metric tonnes.
Brakes
ISO 3450: 2011
ISO 3450: 2011
 
Meets ISO 3540:2011
Meets ISO 3540:2011
Operator Sound Level (ISO 6396)
72 dB(A)
72 dB(A)
Machine Sound Level (ISO 6395)
113 dB(A)
113 dB(A)
Operator Sound Level (ISO 6396)
72 dB(A)
72 dB(A)
Machine Sound Level (ISO 6395)
109 dB(A)
109 dB(A)
Height - Top of Exhaust Stack
4835 mm
15.9 ft
Height - Top of Air Cleaner
3895 mm
12.8 ft
Height - Top of Hood
3334 mm
10.9 ft
Ground Clearance - Bumper
933 mm
3.1 ft
Centerline of Rear Axle to Edge of Bumper
3187 mm
10.5 ft
Wheel Base
4550 mm
14.9 ft
Length - Front of Tire
8715 mm
28.4 ft
Length - Straight Blade on Ground
9927 mm
32.6 ft
Centerline of Front Axle to Hitch
2275 mm
7.5 ft
Length - Universal Blade on Ground
10470 mm
34.4 ft
Ground Clearance
531 mm
1.7 ft
Height - Top of Cab
4184 mm
13.7 ft
Chip Scoop Carry Capacity
26.8 m³
35 yd³
Chip Scoop Doze Capacity
53.3 m³
70 yd³
Coal Scoop Carry Capacity
22.9 m³
30 yd³
Coal Scoop Doze Capacity
45.9 m³
60 yd³
Operator Sound Level (ISO 6396:2008)
69 dB(A)
69 dB(A)
Machine Sound Level (ISO 6395:2008)
115 dB(A)
115 dB(A)
Operator Sound Level (ISO 6396:2008)
69 dB(A)
69 dB(A)
Machine Sound Level (ISO 6395:2008)
113 dB(A)
113 dB(A)
ROPS/FOPS
ISO 3471:2008 and ISO 3449:2005 Level II Standards
ISO 3471:2008 and ISO 3449:2005 Level II Standards
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