Overview
The Caterpillar 904B is a wheel loader listed in the Heavy Equipment Hub equipment database with structured specifications for comparison, research, and machine selection. Key specification points include engine power of 52 hp, operating weight of 9,811 lb, fuel capacity of 22.0 gal and hydraulic capacity of 11.0 gal. This model can be reviewed for loading, stockpile work, material handling, yard operations, and fleet comparison workflows. Use the full specifications table to compare the Caterpillar 904B against similar wheel loader models by power, weight, capacity, dimensions, speed, and other technical values.
Key Specifications
Operating Weight
9,810.60
lb
Net Power
52
hp
Gross Power
48
hp
Bucket Capacity - Heaped
1
yd3
Full Specifications
72 specs
Dimensions
Breakout Force
8,003 lb / 3,630 kg
Bucket Capacity - Heaped
0.78 yd³ / 0.60 m³
Bucket Width
5.83 ft / 1.78 m
Dump Clearance At Max Raise
7.80 ft / 2.38 m
Ground Clearance
10 ft / 3.05 m
Height to Top of Cab
7.83 ft / 2.39 m
Hinge Pin - Max Height
10.25 ft / 3.12 m
Length With Bucket On Ground
17.43 ft / 5.31 m
Reach At Max Lift And Dump
2.16 ft / 0.66 m
Tread Width
52.32 in / 1,329 mm
Wheelbase
2.17 ft / 0.66 m
Width Over Tires
5.84 ft / 1.78 m
Engine
Alternator Supplied Amperage
75 A
Bore
3.50 in / 89 mm
Breakout Force - Reference Bucket
8,003 lb / 3,630 kg
Capacity - Reference Bucket
0.80
Cooling System Fluid Capacity
2 gal / 7.6 L
Eec 80/1269 Rating
52
Engine Model
S4Q2 Turbo
Engine Oil Fluid Capacity
2 gal / 7.6 L
Fuel Capacity
22 gal / 83.3 L
Fuel Tank
22 gal / 83.3 L
Gross Power
55 hp / 41.0 kW
Hydraulic System Fluid Capacity
11 gal / 41.6 L
Iso 9249 Rating
52
Max Speed - Forward
12 mph / 19.3 km/h
Max Speed - Reverse
12 mph / 19.3 km/h
Net Power
52 hp / 38.8 kW
Number of Forward Gears
2
Number of Reverse Gears
2
Operating Voltage
12 V
Operating Weight
9,811 lb / 4,450 kg
Rear Axle Oscillation
37 lb / 17 kg
Static Tipping Weight
6,568 lb / 2,979 kg
Stroke
4 in / 102 mm
Tire Size
12.50 in / 318 mm
Transmission Fluid Capacity
2 gal / 7.6 L
Turbocharged
9,249
Turning Radius
4.40 ft / 1.34 m
Hydraulics
3rd Valve Flow
22 gal/min / 83.3 L/min
Brake Standards
3,450
Bucket Capacity - Heaped
1 yd³ / 0.76 m³
Closed-loop, two-speed hydrostatic single-path transmission.
12.50
Dump Time
0.80 sec
Engine Oil
2 gal / 7.6 L
Fops
meets the following criteria: SAEJ1231 JAN81, ISO3449:1992
Gross Power
48 hp / 35.8 kW
Hydraulic Cycle Time - Dump
0.80
Hydraulic Cycle Time - Lift
4.50
Hydraulic Cycle Time - Lower, Float
3.20
Lower Time
3.20 sec
Main Relief
3,002 psi / 207.0 bar
Maximum Travel Speeds - Forward And Reverse, High
12 mph / 19.3 km/h
Maximum Travel Speeds - With 12.5-18 Tires, Forward And Reverse, Low
4 in / 102 mm
Pump Flow Capacity
22 gal/min / 83.3 L/min
Raise Time
4.50 sec
Relief Valve Setting
3,002 psi / 207.0 bar
Rops
meets the following criteria: SAEJ1040 MAY94, ISO 3471-1:1986
Other
Articulation
42
Dump Height At Full Lift
7.80 ft / 2.38 m
Full Turn Static Tipping Load - Bucket
5,511 lb / 2,500 kg
Full Turn Static Tipping Load - Forks
4,409 lb / 2,000 kg
Hydraulic Lift Capacity
7,464 lb / 3,386 kg
Oscillation +/-
8
Rack Back - Transport Position
45
Rated Bucket Capacity
0.80 yd³ / 0.61 m³
Rated Operating Load At Full Turn - Bucket
2,756 lb / 1,250 kg
Rated Operating Load At Full Turn - Forks
3,527 lb / 1,600 kg
Reach - Without Teeth
2.20 ft / 0.67 m
Sound
85
Straight Tipping Load - Bucket
6,568 lb / 2,979 kg
Cooling System
2 gal / 7.6 L
Related Machines
Related Guides & Articles
Mar 14, 2026
Wheel Loader vs Skid Steer: Which Machine Fits Your Job Best?
Read article →
Mar 17, 2026
Inside the Power of Two Giant Cat 990 Wheel Loaders – Massive Coal Loading Operation
Read article →
Mar 17, 2026
Ultimate Guide to Mega Machines: Excavators, Haulers, Wheel Loaders & Bulldozers in 4K
Read article →
Frequently Asked Questions
What is the operating weight of the Caterpillar 904B? +
The Caterpillar 904B has an operating weight of 9,811 lb (4,450 kg). This places it in a class suited for wheel loader applications where ground pressure and transport weight are key considerations.
How powerful is the Caterpillar 904B engine? +
The Caterpillar 904B produces 55 hp (41.0 kW) of engine power. This output is typical for its weight class and designed to handle demanding Wheel Loader work cycles efficiently.
How does the Caterpillar 904B compare to similar Wheel Loader models? +
You can compare the Caterpillar 904B side by side with any other model using the Heavy Equipment Hub compare tool. Key comparison points include engine power, operating weight, digging depth, hydraulic flow, and overall dimensions.