Kubota BX23S vs Yanmar SA221

Across 9 measurable specs, the Kubota BX23S leads 5 categories to 3 (1 tied). Machine pages: Kubota BX23S and Yanmar SA221.

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Category Verdict

Full Spec Sheet

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

Spec	KubotaBX23S	YanmarSA221

▶Engine
Engine Manufacturer	Kubota	YANMAR
Engine Model	D902	3TNM74F
Engine Type	Liquid-cooled, 4-cycle diesel	4-cycle inline, water-cooled diesel, naturally aspirated
No. of Cylinders	3	3
Displacement	54.8 in³	60.6 in³
Rated Engine Speed	3200 rpm	3200 rpm
Engine Power (Gross)	21.6 hp	21.5 hp
PTO Power	17.7 hp	15.6 hp
Engine Emissions Constraints	Tier 4	Tier 4
Cooling System Type	Liquid-cooled	Liquid cooled
Air Cleaner	Dry element	Not Published
Fuel System	Direct injection	Not Published
Alternator	40 A, 12 V	40 A
▶Hydraulics
Pump Type	Open center tandem pump gear type	Dual hydraulic pump
Implement Flow	5.2 gpm	4.3 gpm
Steering Flow	1.0 gpm	3.7 gpm
Total Hydraulic Flow	6.2 gpm	8.0 gpm (4.3 + 3.7, computed)
Overall Hydraulic Pump Flow	6.2 gpm	8.0 gpm (4.3 + 3.7, computed)
Hydraulic System Type	Open center tandem pump gear type	Open center
Rear Remote Hydraulic Flow	Not Published	Not Published
No. of Standard Remote Valves	None (2-valve rear remote coupler optional)	Not Published
No. of Optional Remote Valves	2 (optional; ISO 7241-1 series A or B)	Not Published
▶Fluid Capacity
Fuel Tank Capacity	6.6 gal	6.1 gal
Coolant Capacity	3.3 qt	3.0 qt
Crankcase Capacity	3.4 qt	3.1 qt
Transmission / Hydraulic System Capacity	2.98 gal	4.1 gal
Front Axle Fluid Capacity	3.8 qt	3.2 qt
▶PTO & Hitch
PTO Type	Live independent PTO (with hydraulic clutch)	Independent
PTO Rear	STD 540 rpm	554 rpm @ 3200 engine rpm
Mid-PTO Availability	USA No.5 (KUBOTA 10-tooth) involute spline, 2500 rpm	Independent mid-PTO, 2057 rpm at 3200 engine rpm
Category, 3-Point Hitch	SAE Category I (optional)	Limited Category I
Hitch Lift Capacity	1,213 lb	Not Published
Hitch Lift Capacity (at 24”)	680 lb	660 lb
Lift Control Type	Quarter-inching valve	Select control
▶Transmission & Drivetrain
Transmission Type	Hydrostatic transmission, high-low gear shift (2 forward, 2 reverse)	Hydrostatic transmission
No. of Speeds	2 Range (Low-High)	Infinite forward and reverse (hydrostatic); 1 range
Max Travel Speed (Forward)	0 mph to 8.4 mph	8.6 mph (with R4 tires)
Max Travel Speed (Reverse)	0 mph to 6.5 mph	6.3 mph (with R4 tires)
Clutch	Dry type single plate - Main clutch 9.45"	Not Published
Differential Lock & Limited Slip Options	Rear differential lock standard	Differential lock pedal (optional)
▶Chassis, Steering & Controls
Frame Type	Two-post foldable ROPS	Full-frame chassis
Steering	Hydrostatic Power Steering	Hydrostatic power steering
Brakes	Mechanical, wet disc type	Wet disc
Seat Suspension & Adjustability	High-back reversible seat (rotates for backhoe operation); fore/aft slide and backrest tilt adjustment	Fore-and-aft adjustable operator seat
Front Axle Type	4WD: Bevel gear front axle, non-adjustable tread spacing	Selectable 2WD/4WD
Front Axle Rating	Not Published	Not Published
Drawbar Capacity	Maximum tongue weight 550 lb	Not Published
▶Dimensions & Maneuverability
Overall Width	45.1 in	47.3 in (with R4 tires)
Wheelbase	55.1 in	57.9 in
Ground Clearance	6.5 in (front axle)	6.4 in (with R4 tires)
Min. Turn Radius without Brakes	7.5 ft	7.87 ft
Height to Top of ROPS	86.2 in	82.3 in (with R4 tires)
Height to Top of ROPS (folded)	Not Published	66.3 in (folded ROPS, top of steering wheel, R4 tires)
Height to Top of Cab Model	Not Published	Not Published
Overall Length	99.0 in (with 3-point hitch, with front guard)	102.1 in (with 3-point hitch)
▶Weight
Tractor Weight (Base)	1,600 lb (with ROPS, front guard and control valve assembly)	1,537 lb (with ROPS, R4 tires)
Weight with ROPS and Loader	Not Published	Not Published
Weight with Cab and Loader	Not Published	Not Published
▶Tire Options
Tire Size & Options	Front Turf/Industrial: 18×8.5-10; Rear Turf/Industrial: 26×12-12; Bar tire N/A	R3 Turf; R4 Industrial
R1 Agricultural - Front	Not Published	Not Published
R1 Agricultural - Rear	Not Published	Not Published
R3 Turf - Front	18×8.5-10	18x8.50-10 4PR
R3 Turf - Rear	26×12-12	26x12.0-12 4PR
R4 Industrial - Front	18×8.5-10	18x8.50-10 6PR
R4 Industrial - Rear	26×12-12	26x12.0-12 4PR
▶Loader & Attachments
Quick Attach Loader System	Kubota Swift-Tach (Quick attach)	YL110: YANMAR quick attachment system
Loader Model	LA340S (standard, quick attach); LA340 (pin-on option)	YL110
Loader Lift Height	71.0 in (at pivot pin)	YL110: 71 in to pivot pin (51 in under level bucket)
Loader Lift Capacity (Full Height)	739 lb (LA340 pin-on); 613 lb (LA340S quick attach)	YL110: 825 lb at pivot pin
Loader Breakout Force	1,407 lbf (LA340 pin-on); 1,286 lbf (LA340S quick attach)	YL110: 1,342 lb at pivot pin
▶Warranty
Warranty Length & Coverage	Residential: basic 24 months or 1,500 hours, powertrain 72 months or 2,000 hours; commercial: basic 24 months or 1,500 hours	Private individual use: basic 24 months or 2,000 hours, powertrain 10 years or 3,000 hours; attachments 1 year
▶ITC Company Accessories
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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Kubota BX23S vs Yanmar SA221: Quick Answers

Which has more horsepower, the Kubota BX23S or the Yanmar SA221?

The Kubota BX23S leads on engine hp at 21.6 hp hp, compared to 21.5 hp hp for the Yanmar SA221.

Which has more PTO horsepower, the Kubota BX23S or the Yanmar SA221?

The Kubota BX23S leads on pto hp at 17.7 hp hp, compared to 15.6 hp hp for the Yanmar SA221.

Which is heavier, the Kubota BX23S or the Yanmar SA221?

The Kubota BX23S leads on weight at 1,600 lb lb, compared to 1,537 lb lb for the Yanmar SA221.

Which has more loader lift capacity, the Kubota BX23S or the Yanmar SA221?

The Yanmar SA221 leads on loader lift at 825 lb lb, compared to 739 lb lb for the Kubota BX23S.

Which has more three-point hitch lift capacity, the Kubota BX23S or the Yanmar SA221?

The Kubota BX23S leads on 3-pt lift (24 in) at 680 lb lb, compared to 660 lb lb for the Yanmar SA221.

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