834
Cat Wheel Dozers are designed with durability built in, ensuring maximum availability through multiple life cycles. With optimized performance and simplified serviceability, our machines allow you to support your job site efficiently and safely while lowering owning and operating costs. Introduced in the mid-1960's, the 834 has been the industry leader for over 50 years. Focused on helping our customers succeed, we have continued to build upon each new series. The 834 continues our legacy of reliability, performance, safety, operator comfort, serviceability, and efficiency.
Engine Model
Cat® C18 
Rated Speed
1900.0 r/min
Peak Power Speed
1500.0 r/min
DOWNLOAD TECHNICAL SPECIFICATIONS
Specification
Value
Engine Model
Cat® C18 
Rated Speed
1900.0 r/min
Peak Power Speed
1500.0 r/min
Gross Power - SAE J1995
562 HP
Net Power - SAE J1349
496 HP
Bore
5.7 in
Stroke
7.2 in
Displacement
1105.0 in³
Peak Torque - 1,300 rpm
2092.0 lb/ft
Torque Rise
52.0 %
Emissions
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.
Specification
Value
Operating Weight
105271.0 lb
Blade Capacities
7.9 – 22.2 m3 (10.3 – 29.0 yd3)
Coal Scoop Operating Weight
112428 lb
Chip Scoop Operating Weight
112838 lb
Specification
Value
Transmission Type
Cat planetary power shift
Forward - 1
4.2 mile/h
Forward - 2
7.2 mile/h
Forward - 3
12.6 mile/h
Forward - 4
22.0 mile/h
Reverse - 1
4.2 mile/h
Reverse - 2
7.6 mile/h
Reverse - 3
13.3 mile/h
Direct Drive - Forward 1
Lock-up disabled
Direct Drive - Forward 2
7.7 mile/h
Direct Drive - Forward 3
13.7 mile/h
Direct Drive - Forward 4
23.9 mile/h
Direct Drive - Reverse 1
4.5 mile/h
Direct Drive - Reverse 2
8.1 mile/h
Direct Drive - Reverse 3
14.3 mile/h
Specification
Value
Lift/Tilt System - Circuit
Pilot operated LS valve with EH
Lift/Tilt System
Variable displacement piston
Maximum Flow at 1,900 rpm
153.0 gal/min
Relief Valve Setting - Lift/Tilt
4641.0 psi
Cylinders, Double Acting - Lift, Bore and Stroke
139.75 mm × 1021 mm (5.5 in × 40.2 in)
Cylinders, Double Acting - Left and Right Tilt, Bore and Stroke
140 mm × 230 mm (5.5 in × 9.1 in)
Pilot System
Variable displacement piston
Pilot Maximum Flow
13.7 gal/min
Pilot Relief Valve Setting
580.0 psi
Specification
Value
Steering System - Circuit
Pilot, load sensing
Steering System - Pump
Piston, variable displacement
Maximum Flow
65.8 gal/min
Relief Valve Setting - Steering
3495.0 psi
Total Steering Angle
86.0 °
Steering Cycle Times - High Idle
3.1 s
Steering Cycle Times - Low Idle
5.7 s
Specification
Value
Fuel Tank
209.5 gal (US)
Cooling System
31.7 gal (US)
Crankcase
15.9 gal (US)
Diesel Exhaust Fluid Tank
8.7 gal (US)
Transmission
31.7 gal (US)
Hydraulic System Factory Fill
63.4 gal (US)
Differential - Final Drives - Front
49.1 gal (US)
Differential - Final Drives - Rear
49.1 gal (US)
Hydraulic System - Tank Only
37.0 gal (US)
Specification
Value
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.
Specification
Value
Front
Fixed
Rear
Trunnion
Oscillation Angle
±13°
Specification
Value
Brakes
ISO 3450: 2011
Specification
Value
Operator Sound Level (ISO 6396)
72 dB(A)
Machine Sound Level (ISO 6395)
113 dB(A)
Specification
Value
Operator Sound Level (ISO 6396)
72 dB(A)
Machine Sound Level (ISO 6395)
109 dB(A)
Specification
Value
Height - Top of Exhaust Stack
15.9 ft
Height - Top of Air Cleaner
12.8 ft
Height - Top of Hood
10.9 ft
Ground Clearance - Bumper
3.1 ft
Centerline of Rear Axle to Edge of Bumper
10.5 ft
Wheel Base
14.9 ft
Length - Front of Tire
28.4 ft
Length - Straight Blade on Ground
32.6 ft
Centerline of Front Axle to Hitch
7.5 ft
Length - Universal Blade on Ground
34.4 ft
Ground Clearance
1.7 ft
Height - Top of Cab
13.7 ft
Specification
Value
Chip Scoop Carry Capacity
35.0 yd³
Chip Scoop Doze Capacity
70.0 yd³
Coal Scoop Carry Capacity
30.0 yd³
Coal Scoop Doze Capacity
60.0 yd³