John Deere 4066M eHydro vs John Deere 4066M Heavy Duty
Every published spec for both machines, side by side. The verdict below is computed straight from the spec sheets, not opinion.
Across 9 measurable specs, this matchup is a dead heat: 2 categories to the John Deere 4066M eHydro, 2 to the John Deere 4066M Heavy Duty, 5 tied. Machine pages: John Deere 4066M eHydro and John Deere 4066M Heavy Duty.
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Category Verdict
| Spec | John Deere 4066M eHydro | John Deere 4066M Heavy Duty |
|---|---|---|
| Engine HP (hp) | 65.9 hp | 65.9 hp |
| PTO HP (hp) | ▲ 57 hp | 51.9 hp |
| Weight (lb) | 3,770 lb | ▲ 4,255 lb |
| Loader Lift (lb) | 2,391 lb | ▲ 2,539 lb |
| 3-Pt Lift (24 in) (lb) | 2,500 lb | 2,500 lb |
| Lift Height (in) | ▲ 112.1 in | 110 in |
| Breakout Force (lbf) | 3,853 lbf | 3,853 lbf |
| Hydraulic Flow (gpm) | 15.9 gpm | 15.9 gpm |
| Travel Speed (mph) | 18.6 mph | 18.6 mph |
Full Spec Sheet
Every published spec, side by side, including the details the graphs above don't chart.
| Spec | John Deere4066M eHydro | John Deere4066M Heavy Duty |
|---|
| Engine Manufacturer | Yanmar | Yanmar |
|---|---|---|
| Engine Model | 4TNV86CHT-MJT | 4TNV86CHT-MJT |
| Engine Type | Turbocharged 4-cylinder Diesel | Turbocharged 4-cylinder Diesel |
| No. of Cylinders | 4 | 4 |
| Displacement | 127.6 in³ | 127.6 in³ |
| Rated Engine Speed | 2600 rpm | 2600 rpm |
| Engine Power (Gross) | 65.9 hp | 65.9 hp |
| PTO Power | 57 hp | 51.9 hp |
| Engine Emissions Constraints | Tier 4 | Tier 4 |
| Cooling System Type | Liquid-cooled | Liquid |
| Air Cleaner | Dual element (dry type with safety element) | Dual element |
| Fuel System | High-pressure common rail direct injection | High-pressure common rail direct injection |
| Alternator | 75 A, 12 V | 75 A, 12 V |
John Deere 4066M eHydro vs John Deere 4066M Heavy Duty: Quick Answers
- Which has more horsepower, the John Deere 4066M eHydro or the John Deere 4066M Heavy Duty?
- They are effectively tied: both machines are rated at 65.9 hp hp for engine hp.
- Which has more PTO horsepower, the John Deere 4066M eHydro or the John Deere 4066M Heavy Duty?
- The John Deere 4066M eHydro leads on pto hp at 57 hp hp, compared to 51.9 hp hp for the John Deere 4066M Heavy Duty.
- Which is heavier, the John Deere 4066M eHydro or the John Deere 4066M Heavy Duty?
- The John Deere 4066M Heavy Duty leads on weight at 4,255 lb lb, compared to 3,770 lb lb for the John Deere 4066M eHydro.
- Which has more loader lift capacity, the John Deere 4066M eHydro or the John Deere 4066M Heavy Duty?
- The John Deere 4066M Heavy Duty leads on loader lift at 2,539 lb lb, compared to 2,391 lb lb for the John Deere 4066M eHydro.
- Which has more three-point hitch lift capacity, the John Deere 4066M eHydro or the John Deere 4066M Heavy Duty?
- They are effectively tied: both machines are rated at 2,500 lb lb for 3-pt lift (24 in).