Which has more horsepower, the John Deere 4066M or the John Deere 5075M?

The John Deere 5075M leads on engine hp at 73.9 hp hp, compared to 65 hp hp for the John Deere 4066M.

Which has more PTO horsepower, the John Deere 4066M or the John Deere 5075M?

The John Deere 5075M leads on pto hp at 57.7 hp hp, compared to 51.9 hp hp for the John Deere 4066M.

Which has more three-point hitch lift capacity, the John Deere 4066M or the John Deere 5075M?

The John Deere 5075M leads on 3-pt lift (24 in) at 5,161 lb lb, compared to 2,500 lb lb for the John Deere 4066M.

John Deere 4066M vs John Deere 5075M

Every published spec for both machines, side by side. The verdict below is computed straight from the spec sheets, not opinion.

Across 4 measurable specs, the John Deere 5075M leads 4 categories to 0. Machine pages: John Deere 4066M and John Deere 5075M.

Want a third or fourth machine in the mix? Open this matchup in the comparison tool and add up to two more.

Category Verdict

Spec	John Deere 4066M	John Deere 5075M
Engine HP (hp)	65 hp	▲ 73.9 hp
PTO HP (hp)	51.9 hp	▲ 57.7 hp
Loader Lift (lb)	2,396 lb	—
3-Pt Lift (24 in) (lb)	2,500 lb	▲ 5,161 lb
Lift Height (in)	112.1 in	—
Breakout Force (lbf)	3,853 lbf	—
Hydraulic Flow (gpm)	17.4 gpm	▲ 24.7 gpm
Travel Speed (mph)	18.6 mph	—

The headline numbers at a glance.

John Deere 4066MJohn Deere 5075M

Engine HPhp

65 hp

▲73.9 hp

PTO HPhp

51.9 hp

▲57.7 hp

Weightlb

—

Loader Liftlb

▲2,396 lb

1,764 lb

—

At pivot@ 19.7 in ahead of pivot

3-Pt Lift (24 in)lb

2,500 lb

▲5,161 lb

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Full Spec Sheet

Every published spec, side by side, including the details the graphs above don't chart.

Spec	John Deere4066M	John Deere5075M


PTO Power	51.9 hp	57.7 hp @ 100 rpm
Alternator	75 A, 12 V	90 A
Air Cleaner	Dual element (dry type with safety element)	Dry air cleaner
Engine Type	Diesel	Diesel, turbocharged and air-to-air aftercooled
Fuel System	High-pressure common rail direct injection	High Pressure Common Rail (HPCR) electronic fuel injection
Displacement	127.6 in³	177 in³
No. of Cylinders	4	3
Rated Engine Speed	2600 rpm	2200 rpm
Cooling System Type	Liquid (water pump)	Not Published
Engine Manufacturer	Yanmar	John Deere PowerTech 3029 EWR
Engine Power (Gross)	65 hp @ 600 rpm	73.9 hp @ 200 rpm
Engine Emissions Constraints	Tier 4	Tier 4

Weight with ROPS and Loader	Not Published	Not Published
Weight with Cab and Loader	Not Applicable	Not Published

Warranty Length & Coverage	6-year/2,000-hour powertrain; 2-year/2,000-hour basic (full machine)	6-year/2,000-hour powertrain; 2-year/2,000-hour basic (full machine)

Pump Type	Dual gear	Tandem Gear
Steering Flow	5.7 gpm	6.3 gpm
Implement Flow	10.2 gpm	18.4 gpm
Total Hydraulic Flow	17.4 gpm	24.7 gpm
Hydraulic System Type	Open center	Not Published
Rear Remote Hydraulic Flow	Not Published	Not Published
Overall Hydraulic Pump Flow	17.4 gpm	24.7 gpm
No. of Optional Remote Valves	Up to 6 rear remotes	Up to 1 additional (rear) (max 3 total)
No. of Standard Remote Valves	Not Published	2 (rear)

PTO Rear	540 rpm	540 @2100 engine rpm; 540E @1645 engine rpm; 1000 @2100 engine rpm (if equipped)
PTO Type	Independent (electrohydraulic)	Independent rear PTO (wet disc clutch, electrohydraulic activation): 540/540E standard; 1000 optional
Lift Control Type	Position control	Mechanical or electrohydraulic (draft control)
Hitch Lift Capacity	3,130 lb	5,305 lb @ hitch ball (standard 2.6 in cylinders); 6,114 lb optional (65 & 3 in cylinders)
Mid-PTO Availability	Available	Not Published
Category, 3-Point Hitch	Category 1 (limited)	Category II (convertible to Category I)
Hitch Lift Capacity (at 24”)	2,500 lb	5,161 lb @ 24 in behind lift point (standard); 5,958 lb optional

R3 Turf - Rear	44X18.00-20 (4PR)	Not Published
R3 Turf - Front	27X10.50-15	Not Published
Tire Size & Options	R1 Bar, R3 Turf, R4 Industrial	R1 Ag / R3 Turf / R4 Industrial
R4 Industrial - Rear	420/85D24	Not Published
R4 Industrial - Front	260/70D16.5	Not Published
R1 Agricultural - Rear	13.6-28 (6PR) or 380/70R28 or 360/80R28	Not Published
R1 Agricultural - Front	8.00-16 (10PR) or 280/70R16 or 250/75R16	Not Published

Coolant Capacity	Open station: 6.8 qt; Cab: 8.0 qt (if equipped)	OOS: 3.6 gal; Cab: 4.2 gal
Crankcase Capacity	5.6 qt (with filter)	2.2 gal
Fuel Tank Capacity	Open station: 15.0 gal; Cab: 14.7 gal (if equipped)	Cab: 48.2 gal; OOS: 44.6 gal
Front Axle Fluid Capacity	5.3 qt	Differential housing (MFWD): 1.3 gal; Wheel hub (each): 0.2 gal
Transmission / Hydraulic System Capacity	12.5 gal	Open center: 10.4 gal; Closed center: 12.5 gal

Loader Lift Height	112.1 in	Not Published
Loader Breakout Force	At pivot: 3,853 lbf; @ 19.7 in ahead of pivot: 2,902 lbf	Not Published
Quick Attach Loader System	Rigid mounted with parking kit available; Parking stand kit BW16127 (parkable)	Not Published
Loader Lift Capacity (Full Height)	At pivot: 2,396 lb; @ 19.7 in ahead of pivot: 1,764 lb	Not Published

Clutch	Wet; wet clutch disk diameter 5.08 in	Not Published
No. of Speeds	PowrReverser: 12F/12R; eHydro: Infinitely-variable, 3 range	16 forward / 16 reverse; 32 forward / 16 reverse (Hi-Lo)
Transmission Type	Standard: 12/12 PowrReverser (PRT); Optional: eHydro (eHST), 3-range hydrostatic	PowrReverser 16F/16R or 32F/16R Hi-Lo
Max Travel Speed (Forward)	18.6 mph	Not Published
Max Travel Speed (Reverse)	18.6 mph	Not Published
Differential Lock & Limited Slip Options	Differential lock: Yes	Not Published

Brakes	Multi-plate wet disc	Hydraulically actuated wet disc brakes
Steering	Hydrostatic power steering	Not Published
Frame Type	ROPS - Fixed	Not Published
Front Axle Type	Mechanical front wheel drive (MFWD) - Standard; engagement On-the-Go	MFWD
Drawbar Capacity	Max vertical load 1103 lb	Not Published
Front Axle Rating	(Continuous) 3307 lb	6,613 lb max permissible front axle load
Seat Suspension & Adjustability	Optional mechanical suspension seat; adjustable weight 52-275.6 lb (115-275 lb); fore/aft adjustment; flips forward	Not Published

Wheelbase	73.0 in	92.5 in
Overall Width	78.2 in	74.0 in (without fender extension); 85.6 in (with fender extension)
Ground Clearance	Front axle: 15.6 in; Drawbar support: 14.8 in	Not Published
Height to Top of ROPS	93.7 in	Not Published
Height to Top of Cab Model	Not Applicable	105.3 in
Height to Top of ROPS (folded)	69.5 in	Not Published
Min. Turn Radius without Brakes	17.1 ft (5.2 m)	157.5 in
Overall Length with 3-Point Hitch	130.6 in	Cab overall length: 157.3 in