Machine models

Cat 834 specifications

Classification: Cat wheel-dozer identification.

Entries in this reference
Listing-entry count
1

Short answer

Cat 834: wheel dozer.

Selected configuration figures
Configuration	Documented field and quantity
834	Net Power - SAE J1349:2011 496 hp Operating Weight 105,271 lb

834 specification matrix — Engine
Specification	834
Engine Model	Cat® C18
Net Power - SAE J1349:2011	496 hp
Rated Speed	1900 r/min
Peak Power Speed	1500 r/min
Gross Power - SAE J1995:2014	562 hp
Bore	5.7 in
Stroke	7.2 in
Displacement	1,105 in³
Peak Torque - 1,300 rpm	2,092 lb/ft
Torque Rise	52 %

Operating Specifications
Specification	834
Operating Weight	105,271 lb
Blade Capacities	7.9 – 22.2 m3 (10.3 – 29.0 yd3)

Transmission and speeds
Specification	834
Transmission Type	Cat planetary power shift
Forward - 1	4.2 mph
Forward - 2	7.2 mph
Forward - 3	12.6 mph
Forward - 4	22 mph
Reverse - 1	4.2 mph
Reverse - 2	7.6 mph
Reverse - 3	13.3 mph
Direct Drive - Forward 1	Lock-up disabled
Direct Drive - Forward 2	7.7 mph
Direct Drive - Forward 3	13.7 mph
Direct Drive - Forward 4	23.9 mph
Direct Drive - Reverse 1	4.5 mph
Direct Drive - Reverse 2	8.1 mph
Direct Drive - Reverse 3	14.3 mph

Hydraulic System Lift/Tilt
Specification	834
Lift/Tilt System - Circuit	Pilot operated LS valve with EH
Lift/Tilt System	Variable displacement piston
Maximum Flow at 1,900 rpm	153 gpm
Relief Valve Setting - Lift/Tilt	4,641 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 gpm
Pilot Relief Valve Setting	580 psi

Hydraulic System Steering
Specification	834
Steering System - Circuit	Pilot, load sensing
Steering System - Pump	Piston, variable displacement
Maximum Flow	65.8 gpm
Relief Valve Setting - Steering	3,495 psi
Total Steering Angle	86 °
Steering Cycle Times - High Idle	3.1 s
Steering Cycle Times - Low Idle	5.7 s

Service Refill Capacities
Specification	834
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 System
Specification	834
Air Conditioning	The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a or R1234yf. See the label or instruction manual for identification of the gas. - If equipped with R134a (Global Warming Potential = 1430), the system contains 1.8 kg (3.9 lb) of refrigerant, which has a CO2 equivalent of 2.574 metric tonnes (2.837 tons)

Axles
Specification	834
Front	Fixed
Rear	Trunnion
Oscillation Angle	±13°

Brakes
Specification	834
Brakes	ISO 3450: 2011

Sound Performance Tier 4 Final / Stage V
Specification	834
Operator Sound Pressure Level (ISO 6396:2008)	72 dB(A)
Machine Sound Power Level (ISO 6395:2008)	113 dB(A)
Operator Sound Pressure Level (ISO 6396:2008)*	72 dB(A)
Machine Sound Power Level (ISO 6395:2008)**	109 dB(A)

Sound Performance Tier 3 / Stage IIIA
Specification	834
Machine Sound Power Level (ISO 6395:2008)**	110 dB(A)

Dimensions and weight
Specification	834
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
Length - Universal Blade on Ground	34.4 ft
Centerline of Front Axle to Hitch	7.5 ft
Ground Clearance	1.7 ft
Height - Top of Cab	13.7 ft

Ratios
Figure	834
Engine horsepower per 1,000 lb of weight	5.3
Fuel tank per engine horsepower	0.37 gal

wheel dozer

Where the 834 ranks in Cat's list — Scope of the captured comparison
Brand	Equipment group	Compared entry	Sort order
Cat	wheel dozer	834	Descending quantity; 1 is largest

Figure	834	Rank	Lowest in line	Highest in line
Engine power	562.0 hp	5 of 60	43.0 hp	907.0 hp
Listed weight	105,271 lb	12 of 70	1,241 lb	235,507 lb
Fuel capacity	209.5 gal	9 of 67	30.0 gal	412.7 gal
Horsepower per 1,000 lb	5.3 hp	7 of 59	3.1 hp	94.7 hp

The 834 beside its neighbours
Base version	834H	834	D10T WH
Engine power	498 hp	562 hp	580 hp
Weight	103,849 lb	105,271 lb	144,986 lb
Fuel capacity	209.4 gal	209.5 gal (US)	293 gal
Wheelbase	834H: 14.93 ft; 834: 14.9 ft

834: forum references — Forum-title search
Forum index	Equipment class queried	Names in the search	Matching titles
Heavy Equipment Forums	wheel dozer	Cat and the 834. That is too few titles to say what owners mostly ask about, so the most recent are listed instead	1

CAT 834 Over Heating (Heavy Equipment Forums, 2013-01-21)

Used market for the 834 — Dated first-page listing snapshot
Observation date	Listing source	Equipment search	Listings
2026-09-25	MachineryTrader	Cat wheel dozer	7

Model	Listed	Model years	Lowest asking	Highest asking	Median asking	Median hours
834	7	1983 to 1992	$5,000	$75,000	$53,750	None shown

834: recall reference — Dated CPSC search
Search date	Database	Names queried	Search result
2026-09-24	U.S. Consumer Product Safety Commission	Cat together with the wheel dozer 834	No matching recall in this search

Sources for this page
Evidence class	Document, classification and recorded date
Manufacturer	Manufacturer: Cat 834 — Caterpillar Inc.. Observed 2026-09-24.
Forum threads	Forum threads: Heavy Equipment Forums thread index for Cat 834 — Heavy Equipment Forums. Observed 2026-09-24.
Used-market listings	Used-market listings: MachineryTrader listings for Cat 834 — MachineryTrader. Observed 2026-09-25.
Federal agency data	Federal agency data: Recall database search for Cat — U.S. Consumer Product Safety Commission. Observed 2026-09-24.

Cat 834: Configuration records

834

Specification	Source figure
Engine
Engine Model	Cat® C18
Net Power - SAE J1349:2011	496 hp
Rated Speed	1900 r/min
Peak Power Speed	1500 r/min
Gross Power - SAE J1995:2014	562 hp
Bore	5.7 in
Stroke	7.2 in
Displacement	1,105 in³
Peak Torque - 1,300 rpm	2,092 lb/ft
Torque Rise	52 %
Transmission and speeds
Transmission Type	Cat planetary power shift
Forward - 1	4.2 mph
Forward - 2	7.2 mph
Forward - 3	12.6 mph
Forward - 4	22 mph
Reverse - 1	4.2 mph
Reverse - 2	7.6 mph
Reverse - 3	13.3 mph
Direct Drive - Forward 1	Lock-up disabled
Direct Drive - Forward 2	7.7 mph
Direct Drive - Forward 3	13.7 mph
Direct Drive - Forward 4	23.9 mph
Direct Drive - Reverse 1	4.5 mph
Direct Drive - Reverse 2	8.1 mph
Direct Drive - Reverse 3	14.3 mph
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	153 gpm
Relief Valve Setting - Lift/Tilt	4,641 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 gpm
Pilot Relief Valve Setting	580 psi
Hydraulic System Steering
Steering System - Circuit	Pilot, load sensing
Steering System - Pump	Piston, variable displacement
Maximum Flow	65.8 gpm
Relief Valve Setting - Steering	3,495 psi
Steering Cycle Times - High Idle	3.1 s
Steering Cycle Times - Low Idle	5.7 s
Service Refill Capacities
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)
Axles
Front	Fixed
Rear	Trunnion
Oscillation Angle	±13°
Sound Performance Tier 4 Final / Stage V
Operator Sound Pressure Level (ISO 6396:2008)	72 dB(A)
Machine Sound Power Level (ISO 6395:2008)	113 dB(A)
Operator Sound Pressure Level (ISO 6396:2008)*	72 dB(A)
Dimensions and weight
Height - Top of Exhaust Stack	15.9 ft
Height - Top of Air Cleaner	12.8 ft
Ground Clearance - Bumper	3.1 ft
Length - Front of Tire	28.4 ft
Length - Straight Blade on Ground	32.6 ft
Length - Universal Blade on Ground	34.4 ft
Height - Top of Cab	13.7 ft
Sound Performance - Tier 4 Final / Stage V
Machine Sound Power Level (ISO 6395:2008)** — Sound Performance - Tier 4 Final / Stage V	109 dB(A)
Sound Performance Tier 3 / Stage IIIA
Machine Sound Power Level (ISO 6395:2008)** — Sound Performance Tier 3 / Stage IIIA	110 dB(A)
Additional specifications
Operating Weight	105,271 lb
Blade Capacities	7.9 – 22.2 m3 (10.3 – 29.0 yd3)
Total Steering Angle	86 °
Air Conditioning	The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a or R1234yf. See the label or instruction manual for identification of the gas. - If equipped with R134a (Global Warming Potential = 1430), the system contains 1.8 kg (3.9 lb) of refrigerant, which has a CO2 equivalent of 2.574 metric tonnes (2.837 tons)
Brakes	ISO 3450: 2011
Height - Top of Hood	10.9 ft
Centerline of Rear Axle to Edge of Bumper	10.5 ft
Wheel Base	14.9 ft
Centerline of Front Axle to Hitch	7.5 ft
Ground Clearance	1.7 ft

Source

More in Cat: D10T WH, D10N/D10R, D11N–D11T CD: Carrydozer equipment/controls.

Cat 834 specifications

wheel dozer

Sources for this page

Cat 834: Configuration records