CO-OP D3
The CO-OP D3 is a utility tractor designed for standard tread applications. It features a 2-wheel drive (2WD) system with manual steering, making it suitable for various farm tasks. The tractor comes with a 5-speed gear transmission, offering 5 forward gears and 1 reverse gear for versatile operation. Under the hood, the D3 is powered by a Chrysler engine. This 6-cylinder, liquid-cooled gasoline engine has a displacement of 250 ci, which is above average compared to other tractors in its class. The engine's size suggests good power output for handling typical utility tractor duties. Overall, the CO-OP D3 is a straightforward, capable machine built for farmers who need a reliable workhorse for their daily operations.

Quick specs
- Category
- Utility
- Transmission
- 5-speed gear
Overview
About the CO-OP D3
The CO-OP D3 is a utility tractor designed for standard tread applications. It features a 2-wheel drive (2WD) system with manual steering, making it suitable for various farm tasks. The tractor comes with a 5-speed gear transmission, offering 5 forward gears and 1 reverse gear for versatile operation. Under the hood, the D3 is powered by a Chrysler engine. This 6-cylinder, liquid-cooled gasoline engine has a displacement of 250 ci, which is above average compared to other tractors in its class. The engine's size suggests good power output for handling typical utility tractor duties. Overall, the CO-OP D3 is a straightforward, capable machine built for farmers who need a reliable workhorse for their daily operations.
Full specifications
Every recorded spec
General
| Manufacturer | CO-OP |
|---|---|
| Model | D3 |
| Category | Utility tractor |
| Type | 4x2 |
Engine
| Make | Chrysler |
|---|---|
| Cylinders | 6 |
| Displacement | 250ci |
Transmission
| Type | 5-speed gear |
|---|---|
| Forward gears | 5 |
| Reverse gears | 1 |
Chassis & drive
| Chassis | 4x2 |
|---|---|
| Drive | 2WD |
| Steering | Manual |
Head to head
D3 vs. Utility median
How the CO-OP D3 compares to other Utility tractors
| Spec | This model | Utility median | Difference | Percentile |
|---|---|---|---|---|
| Engine Displacement | 250 ci | 183 ci | +37% | 70th |
| Cylinders | 6 | 4 | +50% | 93rd |
| Forward Gears | 5 | 12 | -58% | 6th |
Medians and percentiles are computed from the utility tractors in our database with a recorded value for each spec (sample sizes 4,941–5,720 models).
Compare to tractors with similar specs
Commonly compared CO-OP tractors
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 → |
Explore
CO-OP siblings
Explore
Similar-spec models
Gallery
CO-OP D3 photos




FAQ
Common questions
What engine configuration does the CO-OP D3 use?
The CO-OP D3 is equipped with a 6-cylinder engine displacing 250 ci.
What type of transmission does the CO-OP D3 have?
The CO-OP D3 uses a 5-speed gear transmission offering 5 forward gears.
What routine service does the CO-OP D3 need?
Regular maintenance for the CO-OP D3 includes checking and changing engine oil, hydraulic fluid, and filters, plus routine inspections as recommended in the owner's manual. Always follow the manufacturer's maintenance schedule for specific intervals and procedures.
