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

n/a

KubotaBX2380

n/a

RKTractorsRK21H

Comparison loaded for 2 tractors.

The headline numbers at a glance.

Kubota BX2380Rural King RK21H

Engine HPhp

▲21.6 hp

21.5 hp

PTO HPhp

▲17.7 hp

15.4 hp

Weightlb

n/a

1,942 lb

Loader Liftlb

▲739 lb

617 lb

3-Pt Lift (24 in)lb

▲680 lb

679 lb

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Full Spec Sheet

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

Spec	KubotaBX2380	Rural KingRK21H


PTO Power	17.7 hp	15.4 PTO HP
Alternator	40 A, 12 V	40 A, 12 V
Air Cleaner	Sheet net and replaceable treated paper element, spin on oil filter	Single Dry
Engine Type	Liquid cooled, 4-cycle, diesel	Yanmar EPA Tier 4 certified 3-cylinder, liquid cooled diesel (natural aspiration)
Fuel System	Direct injection	Indirect Fuel Injection
Displacement	54.8 in³	60.6 in³
No. of Cylinders	3	3
Rated Engine Speed	3200 rpm	3200 rpm
Cooling System Type	Water with pressurized radiator, reverse air-flow design	Water-cooled
Engine Manufacturer	Kubota	Yanmar
Engine Power (Gross)	21.6 hp	21.5 hp
Engine Emissions Constraints	Not Published	Tier 4
Engine Model	n/a	3TNM74F

Weight with ROPS and Loader	Not Published	1,942 lb
Weight with Cab and Loader	Not Applicable	Not Applicable

Warranty Length & 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.	Full-machine: 24 months/2,000 hours; Powertrain: 96 months/3,000 hours (whichever comes first)

Pump Type	Open center tandem pump gear type	Single Gear Pump with Flow Divider
Steering Flow	1.0 gpm	2.11 gpm
Implement Flow	5.2 gpm	4.17 gpm
Total Hydraulic Flow	6.2 gpm	6.97 gpm
Hydraulic System Type	Open center	Live, independent
Rear Remote Hydraulic Flow	Not Published	Not Published
Overall Hydraulic Pump Flow	6.2 gpm	6.97 gpm
No. of Optional Remote Valves	2 (optional; ISO 7241-1 series A or B)	Not Published
No. of Standard Remote Valves	Not Published	Not Published

PTO Rear	STD (540 rpm)	540 rpm
PTO Type	Live independent PTO (with hydraulic clutch)	Independent
Lift Control Type	Not Published	Position
Hitch Lift Capacity	Not Published	1,100 lb
Mid-PTO Availability	STD (2500 rpm)	Optional (2,500 rpm)
Category, 3-Point Hitch	SAE Category I Optional	Category I
Hitch Lift Capacity (at 24”)	680 lb	679 lb

R3 Turf - Rear	26X12-12	16X12.00-12
R3 Turf - Front	18X8.5-10	16X7.50-8
Tire Size & Options	R1 Agricultural, R3 Turf, R4 Industrial	R4 Industrial (Std), R3 Turf (Opt), Goodyear R14 (Opt)
R4 Industrial - Rear	26X12-12	Not Published
R4 Industrial - Front	18X8.5-10	Not Published
R1 Agricultural - Rear	26X12-12	BAR R 24X12.00-12
R1 Agricultural - Front	18X8.5-10	BAR F 16X7.50-9

Coolant Capacity	Not Published	3.7 qt
Crankcase Capacity	Not Published	2.1 qt
Fuel Tank Capacity	6.6 gal	6.6 gal
Front Axle Fluid Capacity	Not Published	2.6 qt
Transmission / Hydraulic System Capacity	Not Published	3.6 gal

Loader Lift Height	71.0 in	72 in
Loader Breakout Force	1,286 lbf (bucket pivot pin)	1,285 lb
Quick Attach Loader System	Swift-Tach Loader (LA344S - Two Lever Quick Attach Bucket)	Skid-Steer Compatible Quick-Attach
Loader Lift Capacity (Full Height)	739 lb	617 lb

Clutch	Dry type single plate - Main clutch 9.45 in.	Not Published
No. of Speeds	2 Range (Low-High)	2 Range
Transmission Type	Hydrostatic transmission	Hydrostatic
Max Travel Speed (Forward)	8.1 mph	7.8 mph
Max Travel Speed (Reverse)	6.2 mph	Not Published
Differential Lock & Limited Slip Options	Rear differential lock standard	Differential lock

Brakes	Mechanical, wet disc type	Wet Disc
Steering	Integral power steering	Hydrostatic
Frame Type	Not Published	Not Published
Front Axle Type	4WD: Bevel gear front axle, non-adjustable tread spacing	center-pivot, reverse Eliot type
Drawbar Capacity	Max. drawbar load @ hitch: 550 lb.	Not Published
Front Axle Rating	Not Published	Not Published
Seat Suspension & Adjustability	Not Published	Suspension seat with armrests & retractable seat belt

Wheelbase	55.1 in	53.1 in
Overall Width	45.1 in	44.5 in
Ground Clearance	6.5 in	F/A 8.3 in
Height to Top of ROPS	83.1 in	86.6 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	7.5 ft (2.3 m)	86.6 in
Overall Length with 3-Point Hitch	99.0 in (w/ Front guard)	94.2 in

Accessories that fit	Kubota BX80 Series Brush Guard Insert (S/N C1630 and up) $259.00 S/N C1630 and after Kubota BX80 Series Brush Guard Insert (S/N before C1630) $299.00 S/N before C1630	None tagged yet

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