ITC Resource

Compare Tractors

See horsepower, lift capacity, hydraulic flow, and the numbers that matter to your work. Up to 4 machines, side by side, in graphs built to show which tractor is better at what.

2 of 4 selected
JohnDeere4066M
KiotiRX6640P
Comparison loaded for 2 tractors.

The headline numbers at a glance.

John Deere 4066MKioti RX6640P
Engine HPhp
65 hp
66.4 hp
PTO HPhp
51.9 hp
54.9 hp
Weightlb
6,051 lb
Loader Liftlb
2,396 lb
1,764 lb
3,300 lb
At pivot@ 19.7 in ahead of pivot
3-Pt Lift (24 in)lb
2,500 lb
4,327.7 lb
Share↓ Image𝕏f

Full Spec Sheet

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

SpecJohn Deere4066MKiotiRX6640P
PTO Power51.9 hp54.9 hp
Alternator75 A, 12 VNot Published
Air CleanerDual element (dry type with safety element)Not Published
Engine TypeDieselIn-Line Vertical, Water-cooled 4-Cycle Turbo Diesel, CRDI (4H243T)
Fuel SystemHigh-pressure common rail direct injectionCommon Rail Direct Injection (CRDI)
Displacement127.6 in³148.6 in³
No. of Cylinders44
Rated Engine Speed2600 rpm2600 rpm
Cooling System TypeLiquid (water pump)Water-cooled
Engine ManufacturerYanmarKIOTI
Engine Power (Gross)65 hp @ 600 rpm66.4 hp
Engine Emissions ConstraintsTier 4Tier 4

Permanent page for this matchup: John Deere 4066M vs Kioti RX6640P

Save it & share

Email this to yourself or share with a friend

We'll send the full side-by-side spec sheet to your inbox so you can compare offline, or share this exact comparison with a link. No marketing follow-up.

Keep exploring

More in the resource center