Which has more horsepower, the Kioti RX6620P or the Kioti RX6640P?

The Kioti RX6640P leads on engine hp at 66.4 hp hp, compared to 66 hp hp for the Kioti RX6620P.

Which has more PTO horsepower, the Kioti RX6620P or the Kioti RX6640P?

The Kioti RX6620P leads on pto hp at 57.6 hp hp, compared to 54.9 hp hp for the Kioti RX6640P.

Which is heavier, the Kioti RX6620P or the Kioti RX6640P?

The Kioti RX6640P leads on weight at 6,051 lb lb, compared to 5,148 lb lb for the Kioti RX6620P.

Which has more loader lift capacity, the Kioti RX6620P or the Kioti RX6640P?

The Kioti RX6620P leads on loader lift at 3,384 lb lb, compared to 3,300 lb lb for the Kioti RX6640P.

Which has more three-point hitch lift capacity, the Kioti RX6620P 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 Kioti RX6620P.

Kioti RX6620P 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 9 measurable specs, the Kioti RX6640P leads 6 categories to 3. Machine pages: Kioti RX6620P 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	Kioti RX6620P	Kioti RX6640P
Engine HP (hp)	66 hp	▲ 66.4 hp
PTO HP (hp)	▲ 57.6 hp	54.9 hp
Weight (lb)	5,148 lb	▲ 6,051 lb
Loader Lift (lb)	▲ 3,384 lb	3,300 lb
3-Pt Lift (24 in) (lb)	3,594 lb	▲ 4,327.7 lb
Lift Height (in)	▲ 133.9 in	127.1 in
Breakout Force (lbf)	5,359 lbf	▲ 5,875.3 lbf
Hydraulic Flow (gpm)	17.9 gpm	▲ 20.6 gpm
Travel Speed (mph)	21.8 mph	▲ 22 mph

The headline numbers at a glance.

Kioti RX6620PKioti RX6640P

Engine HPhp

66 hp

▲66.4 hp

PTO HPhp

▲57.6 hp

54.9 hp

Weightlb

5,148 lb

▲6,051 lb

Loader Liftlb

▲3,384 lb

3,300 lb

3-Pt Lift (24 in)lb

3,594 lb

▲4,327.7 lb

Share↓ Image 𝕏 f ✉

Full Spec Sheet

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

Spec	KiotiRX6620P	KiotiRX6640P


PTO Power	57.6 hp	54.9 hp
Alternator	Not Published	Not Published
Air Cleaner	Not Published	Not Published
Engine Type	In-Line Vertical, Water-cooled 4-Cycle Turbo Diesel, CRDI (4F243T)	In-Line Vertical, Water-cooled 4-Cycle Turbo Diesel, CRDI (4H243T)
Fuel System	Common Rail Direct Injection (CRDI)	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	Water-cooled	Water-cooled
Engine Manufacturer	KIOTI	KIOTI
Engine Power (Gross)	66 hp	66.4 hp
Engine Emissions Constraints	Tier 4	Tier 4

Weight with ROPS and Loader	5,148 lb	6,051 lb
Weight with Cab and Loader	Not Applicable	Not Applicable

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.	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	Gear	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	Open center	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, Draft, Mixed Control	Electronic Control
Hitch Lift Capacity	4,575 lb	5,584.3 lb
Mid-PTO Availability	Not Applicable	Not Applicable
Category, 3-Point Hitch	Category II	Category II
Hitch Lift Capacity (at 24”)	3,594 lb	4,327.7 lb

R3 Turf - Rear	44X18.00-20	Not Applicable
R3 Turf - Front	31X13.50-15	Not Applicable
Tire Size & Options	R1 Agricultural, R3 Turf, R4 Industrial	R1 Agricultural, R4 Industrial
R4 Industrial - Rear	18.4-24/8	18.4-24/8
R4 Industrial - Front	12.5/80-18	12.5/80-18
R1 Agricultural - Rear	14.9-28/8	16.9-30
R1 Agricultural - Front	9.5-20/8	11.2-24

Coolant Capacity	2.40 gal	2.51 gal
Crankcase Capacity	2.20 gal	2.83 gal
Fuel Tank Capacity	22.50 gal	26.40 gal
Front Axle Fluid Capacity	2.20 gal	2.60 gal
Transmission / Hydraulic System Capacity	15.90 gal	11.75 gal

Loader Lift Height	133.9 in (to pivot pin)	127.1 in (to pivot pin)
Loader Breakout Force	5,359.0 lb (at pivot pins)	5,875.3 lb (at pivot pins)
Quick Attach Loader System	Built-in parking stand; designed to be quickly and easily attached and detached.	Built-in parking stand; designed to be quickly and easily attached and detached.
Loader Lift Capacity (Full Height)	3,384.0 lb (to full height at pivot pins)	3,300.0 lb (to full height at pivot pins)

Clutch	Wet Disc	Wet Disc
No. of Speeds	12 forward / 12 reverse	12 forward / 12 reverse
Transmission Type	Manual: Power Shuttle	Manual: Power Shuttle
Max Travel Speed (Forward)	21.79 mph	22.01 mph
Max Travel Speed (Reverse)	21.42 mph	21.92 mph
Differential Lock & Limited Slip Options	Rear differential lock	Rear differential lock (standard)

Brakes	Wet Multi Disc	Wet Multi 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 Seat	Mechanical Suspension Seat

Wheelbase	82.70 in	85.40 in
Overall Width	70.90 in	82.10 in
Ground Clearance	16.50 in	15.70 in
Height to Top of ROPS	105.50 in	114.80 in
Height to Top of Cab Model	Not Applicable	Not Applicable
Height to Top of ROPS (folded)	Not Published	Not Published
Min. Turn Radius without Brakes	10.20 ft (3.12 m)	12.80 ft (3.90 m)
Overall Length with 3-Point Hitch	145.0 in	150.30 in