834 Wheel Dozer

Overview

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.

Key Features

More Comfort. More Performance. More Versatility.

ENHANCED SAFETY

Equipped with standard safety features, improving visibility and providing a safer operating environment

LOWER MAINTENANCE COST

Make regular maintenance more convenient with scheduled engine and fuel filter change intervals

BETTER FUEL EFFICIENCY

Equipped with a combination of proven components and technologies, meeting expectations for excellent productivity, fuel efficiency, reliability, and service life

Media Gallery

Specifications

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	5.7 in
Stroke	7.2 in
Displacement	1105 in³
Peak Torque - 1,300 rpm	2092 lb/ft
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 Weight	105271 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

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 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

Lift/Tilt System - Circuit	Pilot operated LS valve with EH
Lift/Tilt System	Variable displacement piston
Maximum Flow at 1,900 rpm	153 gal/min
Relief Valve Setting - Lift/Tilt	4641 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 psi

Steering System - Circuit	Pilot, load sensing
Steering System - Pump	Piston, variable displacement
Maximum Flow	65.8 gal/min
Relief Valve Setting - Steering	3495 psi
Total Steering Angle	86 °
Steering Cycle Times - High Idle	3.1 s
Steering Cycle Times - Low Idle	5.7 s

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 gal (US)

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.

Front	Fixed
Rear	Trunnion
Oscillation Angle	±13°

Brakes	ISO 3450: 2011

Operator Sound Level (ISO 6396)	72 dB(A)
Machine Sound Level (ISO 6395)	113 dB(A)

Operator Sound Level (ISO 6396)	72 dB(A)
Machine Sound Level (ISO 6395)	109 dB(A)

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