Which has more horsepower, the Kioti RX6640PC or the Kubota M4D-061?

The Kioti RX6640PC leads on engine hp at 66.4 hp hp, compared to 65.4 hp hp for the Kubota M4D-061.

Which has more PTO horsepower, the Kioti RX6640PC or the Kubota M4D-061?

The Kioti RX6640PC leads on pto hp at 54.9 hp hp, compared to 52 hp hp for the Kubota M4D-061.

Which has more loader lift capacity, the Kioti RX6640PC or the Kubota M4D-061?

The Kioti RX6640PC leads on loader lift at 3,300 lb lb, compared to 2,928 lb lb for the Kubota M4D-061.

Which has more three-point hitch lift capacity, the Kioti RX6640PC or the Kubota M4D-061?

The Kioti RX6640PC leads on 3-pt lift (24 in) at 4,327.7 lb lb, compared to 3,307 lb lb for the Kubota M4D-061.

Kioti RX6640PC vs Kubota M4D-061

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

Across 6 measurable specs, the Kioti RX6640PC leads 4 categories to 2. Machine pages: Kioti RX6640PC and Kubota M4D-061.

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	Kioti RX6640PC	Kubota M4D-061
Engine HP (hp)	▲ 66.4 hp	65.4 hp
PTO HP (hp)	▲ 54.9 hp	52 hp
Weight (lb)	6,814 lb	—
Loader Lift (lb)	▲ 3,300 lb	2,928 lb
3-Pt Lift (24 in) (lb)	▲ 4,327.7 lb	3,307 lb
Lift Height (in)	127.1 in	▲ 133 in
Breakout Force (lbf)	5,875.3 lbf	—
Hydraulic Flow (gpm)	20.6 gpm	▲ 23 gpm
Travel Speed (mph)	22 mph	—

The headline numbers at a glance.

Kioti RX6640PCKubota M4D-061

Engine HPhp

▲66.4 hp

65.4 hp

PTO HPhp

▲54.9 hp

52 hp

Weightlb

6,814 lb

—

Loader Liftlb

▲3,300 lb

2,674 lb

2,928 lb

Height positionPower position

3-Pt Lift (24 in)lb

▲4,327.7 lb

3,307 lb

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Full Spec Sheet

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

Spec	KiotiRX6640PC	KubotaM4D-061


PTO Power	54.9 hp	52 hp
Alternator	Not Published	130 A, 12 V
Air Cleaner	Not Published	Not Published
Engine Type	In-Line Vertical, Water-cooled 4-Cycle Turbo Diesel, CRDI (4H243T)	Liquid-cooled, diesel, 4-cylinder
Fuel System	Common Rail Direct Injection (CRDI)	Common Rail System (CRS)
Displacement	148.6 in³	203.3 (3331)
No. of Cylinders	4	4
Rated Engine Speed	2600 rpm	2400 rpm
Cooling System Type	Water-cooled	Liquid-cooled
Engine Manufacturer	KIOTI	Kubota
Engine Power (Gross)	66.4 hp	65.4 hp
Engine Emissions Constraints	Tier 4	Not Published

Weight with ROPS and Loader	Not Applicable	Not Published
Weight with Cab and Loader	6,814 lb	Not Published

Warranty Length & Coverage	Tractors (Non-Commercial Application): 24 months parts & labor; Extended (Non-Commercial, driveline/powertrain): 48 months parts & labor; Limited time: eligible units receive total 6 years (72 months) extended powertrain warranty coverage.	Non-Commercial Home & Residential Use - Basic Standard Limited: 24 months or 1500 hours; Limited Powertrain: 72 months or 2000 hours. Commercial Use - Basic Standard Limited: 24 months or 1500 hours; Limited Powertrain: 36 months or 2000 hours.

Pump Type	Tandem Gear	Gear
Steering Flow	8.2 gpm	6.3 gpm
Implement Flow	12.4 gpm	16.7 gpm
Total Hydraulic Flow	20.6 gpm	23.0 gpm
Hydraulic System Type	Open center	Open Center
Rear Remote Hydraulic Flow	Not Published	Not Published
Overall Hydraulic Pump Flow	20.6 gpm	23.0 gpm
No. of Optional Remote Valves	2	Max. 3
No. of Standard Remote Valves	1	2 (SCD / FD)

PTO Rear	540 / 540E rpm	540/540E rpm
PTO Type	Independent	Live-independent PTO, electro-hydraulic clutch with brake
Lift Control Type	Electronic Control	Position, draft (top link sensing) & mixed control
Hitch Lift Capacity	5,584.3 lb	Not Published
Mid-PTO Availability	Not Applicable	Not Published
Category, 3-Point Hitch	Category II	I / II
Hitch Lift Capacity (at 24”)	4,327.7 lb	3307 lbs

R3 Turf - Rear	Not Applicable	Not Published
R3 Turf - Front	Not Applicable	Not Published
Tire Size & Options	R1 Agricultural, R4 Industrial	Standard tire size
R4 Industrial - Rear	18.4-24/8	Not Published
R4 Industrial - Front	12.5/80-18	Not Published
R1 Agricultural - Rear	16.9-30	420/75R34
R1 Agricultural - Front	11.2-24	320/70R24

Coolant Capacity	2.51 gal	Not Published
Crankcase Capacity	2.83 gal	Not Published
Fuel Tank Capacity	26.40 gal	23.8 gal
Front Axle Fluid Capacity	2.60 gal	Not Published
Transmission / Hydraulic System Capacity	11.75 gal	Not Published

Loader Lift Height	127.1 in (to pivot pin)	Height position: 133.0 in; Power position: 117.6 in
Loader Breakout Force	5,875.3 lb (at pivot pins)	Not Published
Quick Attach Loader System	Built-in parking stand; designed to be quickly and easily attached and detached.	LA1154A: 2-Lever Quick Coupler
Loader Lift Capacity (Full Height)	3,300.0 lb (to full height at pivot pins)	Height position: 2674 lb; Power position: 2928 lb

Clutch	Wet Disc	Multiple wet disc
No. of Speeds	12 forward / 12 reverse	F12/R12 (option: F18/R18 with creep)
Transmission Type	Manual: Power Shuttle	12-speed electro-hydraulic shuttle (option: 18-speed with creep)
Max Travel Speed (Forward)	22.01 mph	Not Published
Max Travel Speed (Reverse)	21.92 mph	Not Published
Differential Lock & Limited Slip Options	Rear differential lock (standard)	Front limited slip differential; Rear differential lock (mechanical)

Brakes	Wet Multi Disc	Hydraulic wet disc
Steering	Hydrostatic Power Steering	Hydrostatic power steering
Frame Type	Not Published	Not Published
Front Axle Type	Not Published	Not Published
Drawbar Capacity	Not Published	Not Published
Front Axle Rating	Not Published	Not Published
Seat Suspension & Adjustability	Adjustable Air-Ride Seat	Not Published

Wheelbase	85.40 in	84.1 in
Overall Width	82.10 in	75.6 in
Ground Clearance	15.70 in	18.1 in
Height to Top of ROPS	Not Applicable	Not Applicable
Height to Top of Cab Model	105.30 in	101 in
Height to Top of ROPS (folded)	Not Applicable	Not Applicable
Min. Turn Radius without Brakes	12.80 ft (3.90 m)	11.8 ft (3.6 m)
Overall Length with 3-Point Hitch	150.30 in	142 in