Which has more horsepower, the Bobcat UT6566 or the Kioti RX6640P?

They are effectively tied: both machines are rated at 66.4 hp hp for engine hp.

Which has more PTO horsepower, the Bobcat UT6566 or the Kioti RX6640P?

The Kioti RX6640P leads on pto hp at 54.9 hp hp, compared to 51.1 hp hp for the Bobcat UT6566.

Which has more loader lift capacity, the Bobcat UT6566 or the Kioti RX6640P?

The Kioti RX6640P leads on loader lift at 3,300 lb lb, compared to 2,614 lb lb for the Bobcat UT6566.

Which has more three-point hitch lift capacity, the Bobcat UT6566 or the Kioti RX6640P?

The Kioti RX6640P leads on 3-pt lift (24 in) at 4,327.7 lb lb, compared to 3,594 lb lb for the Bobcat UT6566.

Bobcat UT6566 vs Kioti RX6640P

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

Across 7 measurable specs, the Kioti RX6640P leads 5 categories to 1 (1 tied). Machine pages: Bobcat UT6566 and Kioti RX6640P.

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	Bobcat UT6566	Kioti RX6640P
Engine HP (hp)	66.4 hp	66.4 hp
PTO HP (hp)	51.1 hp	▲ 54.9 hp
Weight (lb)	—	6,051 lb
Loader Lift (lb)	2,614 lb	▲ 3,300 lb
3-Pt Lift (24 in) (lb)	3,594 lb	▲ 4,327.7 lb
Lift Height (in)	▲ 129 in	127.1 in
Breakout Force (lbf)	—	5,875.3 lbf
Hydraulic Flow (gpm)	17.9 gpm	▲ 20.6 gpm
Travel Speed (mph)	19.8 mph	▲ 22 mph

The headline numbers at a glance.

Bobcat UT6566Kioti RX6640P

Engine HPhp

▲66.4 hp

PTO HPhp

51.1 hp

▲54.9 hp

Weightlb

—

6,051 lb

Loader Liftlb

2,614 lb

▲3,300 lb

3-Pt Lift (24 in)lb

3,594 lb

▲4,327.7 lb

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Full Spec Sheet

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

Spec	BobcatUT6566	KiotiRX6640P


PTO Power	51.1 hp	54.9 hp
Alternator	Not Published	Not Published
Air Cleaner	Not Published	Not Published
Engine Type	Diesel	In-Line Vertical, Water-cooled 4-Cycle Turbo Diesel, CRDI (4H243T)
Fuel System	Not Published	Common Rail Direct Injection (CRDI)
Displacement	148.6 in³	148.6 in³
No. of Cylinders	4	4
Rated Engine Speed	2600 rpm	2600 rpm
Cooling System Type	Not Published	Water-cooled
Engine Manufacturer	Daedong (4HT-TP4A)	KIOTI
Engine Power (Gross)	66.4 hp	66.4 hp
Engine Emissions Constraints	Tier 4	Tier 4

Weight with ROPS and Loader	Not Published	6,051 lb
Weight with Cab and Loader	Not Published	Not Applicable

Warranty Length & Coverage	24 months / 1,500 hours (whichever occurs first)	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.

Pump Type	Not Published	Tandem Gear
Steering Flow	6.9 gpm	8.2 gpm
Implement Flow	11.0 gpm	12.4 gpm
Total Hydraulic Flow	17.9 gpm	20.6 gpm
Hydraulic System Type	Not Published	Open center
Rear Remote Hydraulic Flow	Not Published	Not Published
Overall Hydraulic Pump Flow	17.9 gpm	20.6 gpm
No. of Optional Remote Valves	2	1
No. of Standard Remote Valves	1	1

PTO Rear	540/540E rpm	540 / 540E rpm
PTO Type	Independent	Independent
Lift Control Type	Position with Draft Control	Electronic Control
Hitch Lift Capacity	Not Published	5,584.3 lb
Mid-PTO Availability	Not Applicable	Not Applicable
Category, 3-Point Hitch	Category 2	Category II
Hitch Lift Capacity (at 24”)	3,594 lb @ 24 in behind lift point	4,327.7 lb

R3 Turf - Rear	Not Published	Not Applicable
R3 Turf - Front	Not Published	Not Applicable
Tire Size & Options	Industrial (Ag, Multi-Use)	R1 Agricultural, R4 Industrial
R4 Industrial - Rear	18.4-24 (16.9-30, 480/80R26)	18.4-24/8
R4 Industrial - Front	12.5/80-18 (9.5-24, 340/80R18)	12.5/80-18
R1 Agricultural - Rear	Not Published	16.9-30
R1 Agricultural - Front	Not Published	11.2-24

Coolant Capacity	Not Published	2.51 gal
Crankcase Capacity	Not Published	2.83 gal
Fuel Tank Capacity	25.1 gal	26.40 gal
Front Axle Fluid Capacity	Not Published	2.60 gal
Transmission / Hydraulic System Capacity	Not Published	11.75 gal

Loader Lift Height	129.0 in	127.1 in (to pivot pin)
Loader Breakout Force	Not Published	5,875.3 lb (at pivot pins)
Quick Attach Loader System	Bob-Tach	Built-in parking stand; designed to be quickly and easily attached and detached.
Loader Lift Capacity (Full Height)	2,614 lb @ bucket pivot	3,300.0 lb (to full height at pivot pins)

Clutch	Electronic Clutch	Wet Disc
No. of Speeds	12x12	12 forward / 12 reverse
Transmission Type	3-Range Powershuttle with Electronic Clutch	Manual: Power Shuttle
Max Travel Speed (Forward)	19.8 mph	22.01 mph
Max Travel Speed (Reverse)	19.5 mph	21.92 mph
Differential Lock & Limited Slip Options	Not Published	Rear differential lock (standard)

Brakes	Wet Multi-Disc	Wet Multi Disc
Steering	Not Published	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	Not Published	Mechanical Suspension Seat

Wheelbase	82.7 in	85.40 in
Overall Width	77.2 in	82.10 in
Ground Clearance	12.3 in	15.70 in
Height to Top of ROPS	Not Applicable	114.80 in
Height to Top of Cab Model	99.3 in	Not Applicable
Height to Top of ROPS (folded)	Not Applicable	Not Published
Min. Turn Radius without Brakes	147.0 in	12.80 ft (3.90 m)
Overall Length with 3-Point Hitch	148.8 in	150.30 in