Brand siblingJohn Deere 4066R
The John Deere 4066R is a versatile utility tractor built for various farm tasks. It has a strong 4-cylinder Yanmar diesel engine that produces 65.8 hp, which is above average power for its class. The engine is turbocharged and liquid-cooled, helping it run smoothly in different conditions. This tractor has a 4-wheel drive system and power steering, making it easy to handle in tough terrain. The 4066R comes with a PowrReverser transmission that has 12 forward and 12 reverse gears. This gives the operator lots of speed options for different jobs. The tractor has a rear hitch that can lift up to 3,130 lb, which is very high for its size. It also has a rear PTO that spins at 540 rpm, useful for running various attachments. The open center hydraulic system and independent PTO add to its flexibility. With features like a mechanical rear differential lock and position control hitch, this John Deere tractor is ready for a wide range of farm work.

Quick specs
- Category
- Utility
- Engine Power Output
- 66hp
- Operating Weight
- 3,770 lb
- Transmission
- PowrReverser
At a glance
How the 4066R compares
vs. Utility medianDistribution
Engine Power (hp)
Across all Utility tractors
This model
The 4066R ranks at the 60th percentile for engine power among recorded utility tractors.
Overview
About the John Deere 4066R
The John Deere 4066R is a versatile utility tractor built for various farm tasks. It has a strong 4-cylinder Yanmar diesel engine that produces 65.8 hp, which is above average power for its class. The engine is turbocharged and liquid-cooled, helping it run smoothly in different conditions. This tractor has a 4-wheel drive system and power steering, making it easy to handle in tough terrain. The 4066R comes with a PowrReverser transmission that has 12 forward and 12 reverse gears. This gives the operator lots of speed options for different jobs. The tractor has a rear hitch that can lift up to 3,130 lb, which is very high for its size. It also has a rear PTO that spins at 540 rpm, useful for running various attachments. The open center hydraulic system and independent PTO add to its flexibility. With features like a mechanical rear differential lock and position control hitch, this John Deere tractor is ready for a wide range of farm work.
Full specifications
Every recorded spec
General
| Manufacturer | John Deere |
|---|---|
| Model | 4066R |
| Category | Utility tractor |
| Type | 4x4 MFWD 4WD |
| Operating weight | 3,770lb |
Engine
| Make | Yanmar |
|---|---|
| Model | 4TNV86CHT |
| Power | 65.8hp |
| Cylinders | 4 |
| Displacement | 127.5ci |
| Bore | 3.39in |
| Stroke | 3.54in |
Transmission
| Type | PowrReverser |
|---|---|
| Forward gears | 12 |
| Reverse gears | 12 |
Chassis & drive
| Chassis | 4x4 MFWD 4WD |
|---|---|
| Drive | 4WD |
| Steering | Power |
| Brakes | Multi-plate wet disc |
| Cab | Two-post ROPS |
Hydraulics
| Type | Open Center |
|---|
Power take-off
| Rear PTO | Independent |
|---|---|
| PTO speed | 540rpm |
Dimensions
| Length | 130.6in |
|---|---|
| Height | 100in |
| Operating weight | 3,770lb |
Head to head
4066R vs. Utility median
How the John Deere 4066R compares to other Utility tractors
| Spec | This model | Utility median | Difference | Percentile |
|---|---|---|---|---|
| Engine Power | 65.8 hp | 55 hp | +20% | 60th |
| Engine Displacement | 128 ci | 183 ci | -30% | 30th |
| Cylinders | 4 | 4 | at median | 50th |
| Forward Gears | 12 | 12 | at median | 50th |
| Operating Weight | 3,770 lb | 5,303 lb | -29% | 33rd |
| Length | 131 in | 137 in | -4% | 42nd |
| Height | 100 in | 94.1 in | +6% | 66th |
| 3-Point Hitch Capacity | 3,130 lb | 3,197 lb | -2% | 49th |
Medians and percentiles are computed from the utility tractors in our database with a recorded value for each spec (sample sizes 1,083–5,720 models).
Compare to tractors with similar specs
Commonly compared John Deere tractors
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| John Deere 4066M | 65.8 hp | 3,770 lb | — | Compare → |
| John Deere 2555 | 66.4 hp | 7,880 lb | 1987–1992 | Compare → |
| John Deere 5315 | 66.5 hp | 6,504 lb | — | Compare → |
| John Deere 5075E | 65.05 hp | 5,970 lb | — | Compare → |
| John Deere 3200 | 65 hp | 7,121 lb | — | Compare → |
Commonly compared tractors with similar horsepower from other brands
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| Belarus 500 | 65 hp | 6,100 lb | — | Compare → |
| Barreiros 5500 | 67 hp | — | — | Compare → |
| Barreiros 70.7 | 64 hp | 5,450 lb | — | Compare → |
| Allis Chalmers 6060 | 63.21 hp | 6,465 lb | 1980–1984 | Compare → |
| Allis Chalmers D17 | 63 hp | 4,675 lb | 1957–1967 | Compare → |
Explore
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Gallery
John Deere 4066R photos



FAQ
Common questions
How much horsepower does the John Deere 4066R have?
The John Deere 4066R produces 65.8 hp from its 4-cylinder engine. Engine displacement is 127.5 ci.
What hydraulics does the John Deere 4066R have?
The John Deere 4066R uses an Open Center hydraulic system.
What three-point hitch category does the John Deere 4066R use?
The John Deere 4066R has a Category I three-point hitch rated to lift 3,130 lb.
How much does the John Deere 4066R weigh?
The John Deere 4066R weighs about 3,770 lb in operating condition.
What transmission is in the John Deere 4066R?
Transmission on the John Deere 4066R is PowrReverser, with 12 forward speeds.
What maintenance does the John Deere 4066R require?
Like any tractor, the John Deere 4066R 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.


