▶ EngineEngine Manufacturer Kubota Kubota Engine Model V2403-CR-TE4 V2403-CR-TE4-GL1 Engine Type 4-cylinder in-line, common rail direct injection, turbocharged diesel Liquid-cooled, 4-cycle multi valve, diesel, Turbocharged No. of Cylinders 4 4 Displacement 148.5 in³ 148.5 in³ Rated Engine Speed 2600 rpm 2700 rpm Engine Power (Gross) 57.9 hp 52 hp PTO Power 50 hp 44 hp Engine Emissions Constraints Tier 4 Tier 4 Cooling System Type Liquid-cooled, pressurized radiator with recovery tank Liquid-cooled Air Cleaner Dry paper dual element, 8 in diameter, pre-cleaner standard Dry paper, dual element Fuel System Common rail direct injection Electronic Common Rail System (CRS) Alternator 45 A 45 A, 12 V ▶ HydraulicsPump Type Gear pump Tandem pump - gear type Implement Flow 10.6 gpm 9.8 gpm Steering Flow 6.1 gpm 4.9 gpm Total Hydraulic Flow 16.5 gpm 14.7 gpm Overall Hydraulic Pump Flow 16.5 gpm 14.7 gpm Hydraulic System Type Open center Open center Rear Remote Hydraulic Flow Not Published Not Published No. of Standard Remote Valves 1 (SCD) Not Published No. of Optional Remote Valves 2 optional (3 maximum) Optional, up to 3 (double-acting valve or float detent valve options, any position) ▶ Fluid CapacityFuel Tank Capacity 17.7 gal 13.5 gal Coolant Capacity 8.5 qt 8.7 qt Crankcase Capacity 7.6 qt 9.9 qt Transmission / Hydraulic System Capacity 50.7 qt 11.9 gal Front Axle Fluid Capacity No front axle oil, 2WD (M5660SUH); 6.9 qt front differential case plus 3.2 qt per bevel gear case (M5660SUHD) 8.9 qt ▶ PTO & HitchPTO Type Hydraulic independent PTO, self-modulating multi-plate wet clutch with brake Live independent (hydraulic clutch) PTO Rear 540 rpm (540/540E optional) 540 rpm @ 2550 engine rpm Mid-PTO Availability Not Published Optional Category, 3-Point Hitch Category I and II SAE Category I & II Hitch Lift Capacity 4189 lb 3,858 lb Hitch Lift Capacity (at 24”) 3307 lb 2,976 lb Lift Control Type Position control Position control ▶ Transmission & DrivetrainTransmission Type Fully synchronized 4-speed main gear shift with hi-lo range and hydraulic shuttle, 8F/8R Glide Shift No. of Speeds 8F/8R 12Fx8R Max Travel Speed (Forward) 18.2 mph 16.5 mph Max Travel Speed (Reverse) 18.6 mph 15.8 mph Clutch Multiple wet disc Dry type single stage Differential Lock & Limited Slip Options Rear differential lock standard (mechanical) Rear differential lock, standard ▶ Chassis, Steering & ControlsFrame Type Not Published Not Published Steering Hydrostatic power steering Hydrostatic power steering Brakes Mechanical wet disc Wet disc type, mechanically activated Seat Suspension & Adjustability Fully adjustable suspension seat with retractable seat belt Suspension seat with fore/aft travel adjustment, suspension adjust knob, backrest tilt adjustment, swivel and arm rest Front Axle Type Adjustable tubular steel, 2WD (M5660SUH); Cast iron bevel pinion drive with 55 degree turning angle, 4WD (M5660SUHD) 4WD: Bevel gear front axle, non-adjustable tread spacing Front Axle Rating 4410 lb at 55.9 in tread spacing (M5660SUH); 5290 lb at 55.9 in tread spacing (M5660SUHD) Not Published Drawbar Capacity 2200 lb 1,433 lb ▶ Dimensions & ManeuverabilityOverall Length with 3-Point Hitch 138.7 in (M5660SUH); 136 in (M5660SUHD) 135.0 in Overall Width 73.2 in 67.3 in Wheelbase 82 in (M5660SUH); 80.7 in (M5660SUHD) 75.4 in Ground Clearance 16.3 in 15.4 in Min. Turn Radius without Brakes 10.8 ft (M5660SUH); 12.8 ft (M5660SUHD) 9.2 ft (with brake applied) Height to Top of ROPS 95.3 in 98.0 in Height to Top of ROPS (folded) Not Published Not Published Height to Top of Cab Model Not Published Not Published ▶ WeightTractor Weight (Base) 4189 lb (M5660SUH); 4387 lb (M5660SUHD) 3,979 lb Weight with ROPS and Loader Not Published Not Published Weight with Cab and Loader Not Published Not Published ▶ Tire OptionsTire Size & Options 2WD: 6.50-16, 7.5-16, 9.5L-15 fronts with 14.9-28 or 16.9-28 R1 rears; R3 29x12.50-15 / 21.5L-16.1 and LSW; 4WD: 9.5-22 or 280/85R20 fronts with 14.9-28 R1 rears; R3 29x12.50-15 / 21.5L-16.1; R4 12.5/80-18 / 16.9-24 Standard R1 (9.5-16 / 14.9-26); options: R1 (9.5-16 / 13.6-28), R4 (10-16.5 / 17.5L-24), R3 (29x12.50-15 / 44x18-20), LSW R3 (LSW305R343 / LSW610R470) R1 Agricultural - Front 6.5-16 (M5660SUH); 8.3-24 (M5660SUHD) 9.5-16 R1 Agricultural - Rear 14.9-28 14.9-26; 13.6-28 R3 Turf - Front 29x12.50-15 29X12.50-15 R3 Turf - Rear 21.5L-16.1 44X18-20 R4 Industrial - Front 12.5/80-18 (M5660SUHD) 10-16.5 R4 Industrial - Rear 16.9-24 (M5660SUHD) 17.5L-24 ▶ Loader & AttachmentsQuick Attach Loader System LA1154SU: 2-lever quick attach coupler standard Mechanical 2-Lever Quick Coupler (standard); Hydraulic 2-Lever Quick Coupler (optional); Single Lever Hose Quick Coupler (optional) Loader Model LA1154SU (also printed LA1154) LA1055 Loader Lift Height LA1154: 130.9 in (height position); 115.7 in (power position) 112.7 in Loader Lift Capacity (Full Height) LA1154: 2469 lb (height position); 2928 lb (power position) 2361 lb Loader Breakout Force LA1154SU: 4230 lbf (height position); 5354 lbf (power position) 3171 lbf (19.7 in forward of pivot pin) ▶ WarrantyWarranty Length & Coverage All usage - Basic Standard Limited: 24 months or 2000 hours; Limited Powertrain: 36 months or 3000 hours. 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. 