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834K Wheel Dozer

834K Wheel Dozer

At a Glance

Engine Model
Cat® C18 ACERT™
Operating Weight
105271 lb
Blade Capacities
7.9-22.2 m3 (10.3-29.0 yd3)
Net Power
496 HP
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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 almost 50 years. Focused on helping our customers succeed, we have continued to build upon each new series. The 834K continues our legacy of reliability, performance, safety, operator comfort, serviceability, and efficiency.


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Engine Model Cat® C18 ACERT™
Net Power 496HP
Bore 5.7in
Stroke 7.2in
Displacement 1105in³
Torque Rise 52%
Emissions U.S. EPA Tier 4 Final/EU Stage IV Technology, Tier 3 Equivalent, Tier 2 Equivalent
Gross - SAE J1349 562HP
Net - SAE J1349 496HP
Peak Power Speed 1500r/min
Peak Torque - 1,300 rpm 2092lb/ft
Rated Speed 1900r/min


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Operating Weight 105271lb

Operating Specifications

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Blade Capacities 7.9-22.2 m3 (10.3-29.0 yd3)
Operating Weight 105271lb


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Direct Drive - Forward 2 7.7mile/h
Direct Drive - Forward 3 13.7mile/h
Direct Drive - Reverse 1 4.5mile/h
Direct Drive - Reverse 2 8.1mile/h
Direct Drive - Reverse 3 14.3mile/h
Reverse - 2 7.6mile/h
Forward - 3 12.6mile/h
Reverse - 1 4.2mile/h
Forward - 4 22mile/h
Direct Drive - Forward 4 23.9mile/h
Direct Drive - Forward 1 Lock-up disabled
Transmission Type Cat planetary power shift
Reverse - 3 13.3mile/h
Forward - 2 7.2mile/h
Forward - 1 4.2mile/h

Service Refill Capacities

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Cooling System 31.7gal (US)
Crankcase 15.9gal (US)
Transmission 31.7gal (US)
Differential - Final Drives - Front 49.1gal (US)
Differential - Final Drives - Rear 49.1gal (US)
Hydraulic System Factory Fill 63.4gal (US)
Hydraulic System - Tank Only 37gal (US)
Fuel Tank 209.5gal (US)
Diesel Exhaust Fluid Tank 8.7gal (US)


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Front Fixed
Rear Trunnion
Oscillation Angle ±13°


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Brakes ISO 3450:2011

Hydraulic System - Steering

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

Hydraulic System - Lift/Tilt

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Relief Valve Setting - Lift/Tilt 4641psi
Pilot System Variable displacement piston
Pilot Relief Valve Setting 580psi
Pilot Maximum Flow 13.7gal/min
Maximum Flow at 1,900 rpm 153gal/min
Lift/Tilt System - Circuit Pilot operated LS valve with EH
Lift/Tilt System Variable displacement piston
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)


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Blade Capacities 7.9-22.2 m3 (10.3-29.0 yd3)


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Wheel Base 14.9ft
Length - Universal Blade on Ground 34.4ft
Length - Straight Blade on Ground 32.6ft
Length - Front of Tire 28.4ft
Height - Top of Hood 10.9ft
Height - Top of Exhaust Stack 15.9ft
Height - Top of Cab 13.7ft
Height - Top of Air Cleaner 12.8ft
Ground Clearance - Bumper 3.1ft
Ground Clearance 1.7ft
Centerline of Rear Axle to Edge of Bumper 10.5ft
Centerline of Front Axle to Hitch 7.5ft

Sound Performance

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Interior Sound Level - Suppression 71dB(A)
Interior Sound Level - Standard 72dB(A)
Exterior Sound Level - Suppression 109dB(A)
Exterior Sound Level - Standard 111dB(A)