Brand siblingJohn Deere 4066M
The John Deere 4066M is a utility tractor built for tough jobs on the farm. It has a strong Yanmar diesel engine with 65.8 hp, which is above average power for its class. The engine has 4 cylinders and is turbocharged, giving it extra oomph when needed. This tractor is designed to be versatile, with a 4-wheel drive system and power steering for easy handling. The 4066M comes with a 12-speed transmission that has the same number of forward and reverse gears. This makes it easy to find the right speed for any task. It has a three-point hitch at the back that can lift up to 3,130 lb, which is very high for its size. The tractor also has a PTO (power take-off) that spins at 540 rpm, perfect for running various attachments. At 3,770 lb, it's not too heavy, making it good for working on softer ground. John Deere offers different tire options for farm work or lawn care, making this tractor useful in many settings.

Quick specs
- Category
- Utility
- Engine Power Output
- 66hp
- Operating Weight
- 3,770 lb
- Transmission
- Power shuttle
At a glance
How the 4066M compares
vs. Utility medianDistribution
Engine Power (hp)
Across all Utility tractors
This model
The 4066M ranks at the 60th percentile for engine power among recorded utility tractors.
Overview
About the John Deere 4066M
The John Deere 4066M is a utility tractor built for tough jobs on the farm. It has a strong Yanmar diesel engine with 65.8 hp, which is above average power for its class. The engine has 4 cylinders and is turbocharged, giving it extra oomph when needed. This tractor is designed to be versatile, with a 4-wheel drive system and power steering for easy handling. The 4066M comes with a 12-speed transmission that has the same number of forward and reverse gears. This makes it easy to find the right speed for any task. It has a three-point hitch at the back that can lift up to 3,130 lb, which is very high for its size. The tractor also has a PTO (power take-off) that spins at 540 rpm, perfect for running various attachments. At 3,770 lb, it's not too heavy, making it good for working on softer ground. John Deere offers different tire options for farm work or lawn care, making this tractor useful in many settings.
Full specifications
Every recorded spec
General
| Manufacturer | John Deere |
|---|---|
| Model | 4066M |
| 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 | Power shuttle |
|---|---|
| Forward gears | 12 |
| Reverse gears | 12 |
Chassis & drive
| Chassis | 4x4 MFWD 4WD |
|---|---|
| Drive | MFWD 4WD |
| Steering | Power |
| Brakes | Hydraulic wet disc |
| Cab | Two-post folding ROPS |
Hydraulics
| Type | Open center |
|---|
Power take-off
| Rear PTO | Independent |
|---|---|
| PTO speed | 540rpm |
Dimensions
| Length | 130.3in |
|---|---|
| Height | 100in |
| Operating weight | 3,770lb |
Capacities
| Cooling system | 1.58gal |
|---|
Head to head
4066M vs. Utility median
How the John Deere 4066M 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 | 130 in | 137 in | -5% | 41st |
| 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 4066R | 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 4066M photos





FAQ
Common questions
What is the engine power output of the John Deere 4066M?
Rated engine output for the John Deere 4066M is 65.8 hp, delivered by a 4-cylinder engine. The engine displaces 127.5 ci.
Which transmission does the John Deere 4066M use?
The John Deere 4066M is equipped with a Power shuttle transmission with 12 forward gears.
What type of hydraulic system does the John Deere 4066M use?
Hydraulics on the John Deere 4066M are Open center.
What hitch category is the John Deere 4066M?
The John Deere 4066M uses a Category I hitch with a lift capacity of 3,130 lb.
What is the operating weight of the John Deere 4066M?
In working trim, the John Deere 4066M comes in at roughly 3,770 lb.
How do I maintain a John Deere 4066M?
Routine service for the John Deere 4066M covers engine oil and filter changes, hydraulic and coolant level checks, air filter cleaning, and scheduled inspections. Refer to the manufacturer's maintenance schedule for exact intervals.


