Brand siblingIndustrial
Caterpillar RD4
The Caterpillar RD4 is a powerful diesel tractor built for tough jobs. It has a 5-speed gear transmission with one reverse gear, giving farmers good control over their work. The tractor's engine is made by Caterpillar and has 4 cylinders. It's liquid-cooled, which helps keep it running smoothly in hot weather. This tractor's engine is quite strong, with a displacement of 312.1 cubic inches. It has a bore of 4.25 inches and a stroke of 5.5 inches. The engine runs best at 1400 rpm, which is good for steady work. One special feature of the RD4 is that it comes in two different gauges: 44 inches and 60 inches. This means farmers can choose the size that fits their needs best, whether they work in tight spaces or open fields.
ManufacturerCaterpillarEngine4-cylTransGear
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Quick specs
- Category
- Industrial
- Transmission
- Gear
Overview
About the Caterpillar RD4
The Caterpillar RD4 is a powerful diesel tractor built for tough jobs. It has a 5-speed gear transmission with one reverse gear, giving farmers good control over their work. The tractor's engine is made by Caterpillar and has 4 cylinders. It's liquid-cooled, which helps keep it running smoothly in hot weather. This tractor's engine is quite strong, with a displacement of 312.1 cubic inches. It has a bore of 4.25 inches and a stroke of 5.5 inches. The engine runs best at 1400 rpm, which is good for steady work. One special feature of the RD4 is that it comes in two different gauges: 44 inches and 60 inches. This means farmers can choose the size that fits their needs best, whether they work in tight spaces or open fields.
Full specifications
Every recorded spec
General
| Manufacturer | Caterpillar |
|---|---|
| Model | RD4 |
| Category | Industrial tractor |
Engine
| Make | Caterpillar |
|---|---|
| Cylinders | 4 |
| Displacement | 312.1ci |
| Bore | 4.25in |
| Stroke | 5.5in |
Transmission
| Type | Gear |
|---|---|
| Forward gears | 5 |
| Reverse gears | 1 |
Head to head
RD4 vs. Industrial median
How the Caterpillar RD4 compares to other Industrial tractors
| Spec | This model | Industrial median | Difference | Percentile |
|---|---|---|---|---|
| Engine Displacement | 312 ci | 284 ci | +10% | 53rd |
| Cylinders | 4 | 4 | at median | 50th |
| Forward Gears | 5 | 5 | at median | 50th |
Medians and percentiles are computed from the industrial tractors in our database with a recorded value for each spec (sample sizes 43–55 models).
Compare to tractors with similar specs
Commonly compared Caterpillar tractors
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| Caterpillar 10-Ton | — | 20,000 lb | — | Compare → |
| Caterpillar 5-Ton | — | 9,400 lb | — | Compare → |
| Caterpillar D4 | — | 9,970 lb | — | Compare → |
| Caterpillar Diesel Fifty | — | — | — | Compare → |
| Caterpillar Diesel Forty | — | 15,642 lb | — | Compare → |
Commonly compared tractors with similar horsepower from other brands
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| Advance-Rumely 6A | — | 6,370 lb | — | Compare → |
| Advance-Rumely DoAll | — | 3,702 lb | — | Compare → |
| Advance-Rumely OilPull B 25/45 | — | 25,000 lb | — | Compare → |
| Advance-Rumely OilPull E 30/60 | — | 26,300 lb | — | Compare → |
| Advance-Rumely OilPull F 15/30 | — | 16,500 lb | — | Compare → |
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FAQ
Common questions
What engine configuration does the Caterpillar RD4 use?
The Caterpillar RD4 is equipped with a 4-cylinder engine displacing 312.1 ci.
What transmission is in the Caterpillar RD4?
Transmission on the Caterpillar RD4 is Gear, with 5 forward speeds.
What maintenance does the Caterpillar RD4 require?
Like any tractor, the Caterpillar RD4 needs periodic engine oil and filter changes, hydraulic fluid checks, and regular greasing and inspection. The owner's manual lists the manufacturer's recommended service intervals.