Tractor reference
Kubota M5660SU
Specifications, maintenance, parts and compatibility reference.
Reference set: United States · M5660SUH 2WD / M5660SUHD 4WD, F8/R8 Hydraulic Shuttle · Current Current Kubota USA M60 Series brochure. 2WD and 4WD dimensional variants are retained explicitly.
Engine
Engine manufacturerKubota
Engine familyV2403-CR-TE4
Engine type4-cylinder in-line diesel, Common Rail System, direct injection
Cylinders4
Fuel systemCommon Rail System (CRS), direct injection
Gross engine power58.7 hp
Engine displacement2.4 L
Rated engine speed2600 rpm
AspirationTurbocharged
Transmission
Standard transmission8 forward / 8 reverse fully synchronized Hydraulic Shuttle
BrakesMechanically operated wet disc
SteeringHydrostatic power steering
PTO
PTO power50 hp
PTO configuration540 rpm; 540/540E optional
Hydraulics
Hydraulic control systemPosition control
3-point hydraulic pump capacity10.6 gpm (40.2 L/min)
Standard rear remote valves1 standard; 2nd, 3rd and flow-control valve optional
3-point hitchCategory I / II
3-point hitch lift capacity at 24 in. behind lift point3307 lb
Dimensions & Weight
Overall length2WD: 138.7 in (3525 mm); 4WD: 136.0 in (3455 mm)
Overall heightTop of ROPS: 95.3 in (2420 mm)
Overall width73 in
Wheelbase2WD: 82.0 in (2085 mm); 4WD: 80.7 in (2050 mm)
Crop / ground clearance16.9 in
Turning radius without brake2WD: 11.1 ft (3.4 m); 4WD: 12.8 ft (3.9 m)
Tractor weight2WD ROPS: 4189 lb (1900 kg); 4WD ROPS: 4387 lb (1990 kg)
Capacities
Fuel tank capacity17.7 US gal (67 L)
Electrical
Alternator45 A
Compatible parts & kits
Parts shown here are limited to the selected reference context plus generic machine-level fitment. Configuration-specific fitment, evidence confidence and the direct fitment source are shown under each part when available.
R1401-42270Outer Air Filter ElementApplies to: M5660SUH/M5660SUHD service-filter reference; confirm serial/configurationEvidence: High-confidence source-backed fitment · Kubota M5660SUH parts catalog - frequently used service filters →Engine Air Filters →
R2401-42280Inner Air Filter ElementApplies to: M5660SUH/M5660SUHD service-filter reference; confirm serial/configurationEvidence: High-confidence source-backed fitment · Kubota M5660SUH parts catalog - frequently used service filters →Engine Air Filters →
HH164-32430Engine Oil FilterApplies to: M5660SUH/M5660SUHD service-filter reference; confirm serial/configurationEvidence: High-confidence source-backed fitment · Kubota M5660SUH parts catalog - frequently used service filters →Engine Oil Filters →
1G311-43380Fuel Filter Separator ElementApplies to: M5660SUH/M5660SUHD service-filter reference; confirm serial/configurationEvidence: High-confidence source-backed fitment · Kubota M5660SUH parts catalog - frequently used service filters →Fuel / Water Separators →
HH1J1-43172Fuel Filter CartridgeApplies to: Current Kubota fuel-filter number; confirm tractor serial/configurationEvidence: High-confidence source-backed fitment · Kubota HH1J1-43172 Fuel Filter Cartridge - current model fitment catalog →Fuel Filters →
HHTA0-37710Hydraulic Oil FilterApplies to: M5660SUH/M5660SUHD service-filter reference; confirm serial/configurationEvidence: High-confidence source-backed fitment · Kubota M5660SUH parts catalog - frequently used service filters →Hydraulic Filters →
Documented attachment fitment
Attachment fitment is stored separately from the specification/parts version selector. Multiple cited records for the same attachment are grouped below rather than shown as duplicate attachments. A listed attachment may still require a specific axle, driveline, transmission or tractor configuration.
Front loaderKubota LA1154SUFitment note: Kubota current M60 brochure lists LA1154SU as the matching front loader for M5660SU.Front loader details: Boom cylinder fulcrum supports height and power positions; current brochure matches LA1154SU to M5660SU.Fitment source: Kubota USA M60 Series current brochure - M5660SU and LA1154SU loader →
Max height: 2469 lb (1120 kg) height position / 2928 lb (1328 kg) power positionLift height: Height position: 130.9 in (3326 mm); power position: 115.7 in (2938 mm)
Sources
Kubota · official sourceKubota USA M60 Series current brochure - M5660SU and LA1154SU loader
Messicks · supplier referenceKubota M5660SUH parts catalog - frequently used service filters
Messicks · supplier referenceKubota HH1J1-43172 Fuel Filter Cartridge - current model fitment catalog