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
| Engine Model |
Cat® C18 |
| Rated Speed |
1900 r/min |
| Peak Power Speed |
1500 r/min |
| Gross Power - SAE J1995:2014 |
562 hp |
| Net Power - SAE J1349:2011 |
496 hp |
| Bore |
145 mm |
| Stroke |
183 mm |
| Displacement |
18.1 l |
| Peak Torque - 1,300 rpm |
2836 N·m |
| Torque Rise |
52 % |
| 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. |
Operating Specifications
| Operating Weight |
47750 kg |
| Blade Capacities |
7.9 – 22.2 m3 (10.3 – 29.0 yd3) |
| Coal Scoop Operating Weight |
51103 kg |
| Chip Scoop Operating Weight |
112838 kg |
Transmission
| Transmission Type |
Cat planetary power shift |
| Forward - 1 |
6.8 km/h |
| Forward - 2 |
11.6 km/h |
| Forward - 3 |
20.3 km/h |
| Forward - 4 |
35.4 km/h |
| Reverse - 1 |
6.8 km/h |
| Reverse - 2 |
12.2 km/h |
| Reverse - 3 |
21.4 km/h |
| Direct Drive - Forward 1 |
Lock-up disabled |
| Direct Drive - Forward 2 |
12.4 km/h |
| Direct Drive - Forward 3 |
22.1 km/h |
| Direct Drive - Forward 4 |
38.5 km/h |
| Direct Drive - Reverse 1 |
7.2 km/h |
| Direct Drive - Reverse 2 |
13 km/h |
| Direct Drive - Reverse 3 |
23 km/h |
Hydraulic System - Lift/Tilt
| Lift/Tilt System - Circuit |
Pilot operated LS valve with EH |
| Lift/Tilt System |
Variable displacement piston |
| Maximum Flow at 1,900 rpm |
582 L/min |
| Relief Valve Setting - Lift/Tilt |
32000 kPa |
| 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 |
52 L/min |
| Pilot Relief Valve Setting |
4000 kPa |
Hydraulic System - Steering
| Steering System - Circuit |
Pilot, load sensing |
| Steering System - Pump |
Piston, variable displacement |
| Maximum Flow |
250 L/min |
| Relief Valve Setting - Steering |
24100 kPa |
| Total Steering Angle |
86 ° |
| Steering Cycle Times - High Idle |
3.1 s |
| Steering Cycle Times - Low Idle |
5.7 s |
Service Refill Capacities
| Fuel Tank |
793 l |
| Cooling System |
120 l |
| Crankcase |
60 l |
| Diesel Exhaust Fluid Tank |
33 l |
| Transmission |
120 l |
| Hydraulic System Factory Fill |
240 l |
| Differential - Final Drives - Front |
186 l |
| Differential - Final Drives - Rear |
186 l |
| Hydraulic System - Tank Only |
140 l |
Air Conditioning System
| 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. |
Axles
| Front |
Fixed |
| Rear |
Trunnion |
| Oscillation Angle |
±13° |
Brakes
Sound Performance - Tier 4 Final/EU Stage V - Standard
| Operator Sound Level (ISO 6396) |
72 dB(A) |
| Machine Sound Level (ISO 6395) |
113 dB(A) |
Sound Performance - Tier 4 Final/EU Stage V - Suppression
| Operator Sound Level (ISO 6396) |
72 dB(A) |
| Machine Sound Level (ISO 6395) |
109 dB(A) |
Dimensions
| Height - Top of Exhaust Stack |
4835 mm |
| Height - Top of Air Cleaner |
3895 mm |
| Height - Top of Hood |
3334 mm |
| Ground Clearance - Bumper |
933 mm |
| Centerline of Rear Axle to Edge of Bumper |
3187 mm |
| Wheel Base |
4550 mm |
| Length - Front of Tire |
8715 mm |
| Length - Straight Blade on Ground |
9927 mm |
| Centerline of Front Axle to Hitch |
2275 mm |
| Length - Universal Blade on Ground |
10470 mm |
| Ground Clearance |
531 mm |
| Height - Top of Cab |
4184 mm |
Scoops
| Chip Scoop Carry Capacity |
26.8 m³ |
| Chip Scoop Doze Capacity |
53.3 m³ |
| Coal Scoop Carry Capacity |
22.9 m³ |
| Coal Scoop Doze Capacity |
45.9 m³ |
