▶ EngineEngine Manufacturer Yanmar Yanmar Engine Model 4TNV86T-CR 4TNV86CT Engine Type 4-cycle, inline, water-cooled, turbocharged diesel 4-cylinder, turbocharged, liquid-cooled diesel No. of Cylinders 4 4 Displacement 127.6 in³ 127.6 in³ Rated Engine Speed 2800 rpm 2800 rpm Engine Power (Gross) 55.1 hp 55.9 hp PTO Power RK55S: 44.9 hp; RK55H: 42.2 hp; RK55SC: 44.9 hp; RK55HC: 42.2 hp 45.6 hp Engine Emissions Constraints Tier 4 Tier 4 Cooling System Type Water-cooled, forced circulation with fan Liquid-cooled Air Cleaner Dry dual element Dual dry Fuel System Common Rail Direct Injection CRDI Alternator 70 A, 12 V 70 A, 12 V ▶ HydraulicsPump Type Dual Gear Pump Dual gear pump Implement Flow 9.5 gpm 9.5 gpm Steering Flow 5.0 gpm 4.6 gpm Total Hydraulic Flow 14.5 gpm 14.1 gpm Overall Hydraulic Pump Flow 9.5 gpm 14.1 gpm Hydraulic System Type Independent fully live hydraulic pump with separate reservoir; position control with isolating and response control Open center Rear Remote Hydraulic Flow Not Published Not Published No. of Standard Remote Valves 2 2 No. of Optional Remote Valves Not Published Not Published ▶ Fluid CapacityFuel Tank Capacity 15.85 gal 15.9 gal Coolant Capacity 2.5 gal 9 qt Crankcase Capacity 5.6 qt 7.1 qt Transmission / Hydraulic System Capacity 9.24 gal 9.2 gal Front Axle Fluid Capacity 2.64 gal 10.5 qt ▶ PTO & HitchPTO Type Independent Independent PTO Rear 540 rpm 540 rpm Mid-PTO Availability RK55S, RK55SC: no mid-PTO offered Optional (Mid-PTO kit) Category, 3-Point Hitch Category I Category I Hitch Lift Capacity 3,314 lb 3,314 lb Hitch Lift Capacity (at 24”) 2,945 lb 2,945 lb Lift Control Type Position and draft control Position/Draft ▶ Transmission & DrivetrainTransmission Type RK55S, RK55SC: 16F/16R Syncro Shuttle w/creeper; RK55H, RK55HC: Hydrostatic, 3-range Synchro-Shuttle No. of Speeds RK55S, RK55SC: 16 forward, 16 reverse; RK55H, RK55HC: infinite (3 ranges) F16 x R16 Max Travel Speed (Forward) RK55S, RK55SC: 18.4 mph; RK55HC: 17.9 mph 18.4 mph Max Travel Speed (Reverse) RK55S, RK55SC: 16.1 mph 16.07 mph Clutch RK55S, RK55SC: main dry single disc, mechanical (10.24 in diameter); PTO multiple wet disc Dry single plate Differential Lock & Limited Slip Options 4WD (MFWD) standard; bevel-gear rear differential lock Rear differential lock, pedal operated ▶ Chassis, Steering & ControlsFrame Type Transmission case, clutch housing, engine and front axle support bolted together to form a rigid unit Not Published Steering Hydrostatic power steering Hydrostatic Brakes Wet disc, mechanical, foot operated Wet disc Seat Suspension & Adjustability Suspension seat with armrests and retractable seat belt, standard Not Published Front Axle Type Center-pivot, reverse Elliot type (4WD) 4WD, center-pivot reverse Elliot type Front Axle Rating Not Published Not Published Drawbar Capacity Not Published Not Published ▶ Dimensions & ManeuverabilityOverall Length with 3-Point Hitch 141.3 in 141.3 in Overall Width 63.8 in 63.8 in Wheelbase 76.2 in 76.2 in Ground Clearance 13.8 in 13.8 in Min. Turn Radius without Brakes Not Published 150.4 in Height to Top of ROPS RK55S, RK55H: 102.1 in Not Published Height to Top of ROPS (folded) Not Published Not Published Height to Top of Cab Model RK55SC, RK55HC: 99.6 in 99.6 in ▶ WeightTractor Weight (Base) RK55S, RK55H: 3,814 lb; RK55SC, RK55HC: 4,233 lb 4,233 lb Weight with ROPS and Loader 5,075 lb Not Published Weight with Cab and Loader Not Published 5,494 lb ▶ Tire OptionsTire Size & Options Titan (USA): R4 Industrial (Std), R1 Agricultural (Opt), R3 Turf (Opt) R1 Agricultural, R3 Turf, R4 Industrial R1 Agricultural - Front 9.5x16 Farm Specialist 9.5-16 NHS TL 6PR R1 Agricultural - Rear 14.9x24 Farm Specialist 13.6-26 NHS TL 6PR R3 Turf - Front 12x16.5 Multi-Trac CS 27x10.50-15 NHS TL 4PR R3 Turf - Rear 16.9x24 Multi-Trac CS 44x18.00-20 NHS TL 4PR R4 Industrial - Front 12x16.5 Trac Chief 12-16.5 NHS TL 6PR R4 Industrial - Rear 16.9x24 Xtra Grip 17.5L-24 NHS TL 6PR ▶ Loader & AttachmentsQuick Attach Loader System L110: Skid-steer compatible quick-attach TX55: Quick attach mechanism Loader Model L110 TX55 Loader Lift Height L110: 110 in TX55: 109.1 in Loader Lift Capacity (Full Height) L110: 2,478 lb at pivot pin to full height TX55: 2,478 lb Loader Breakout Force L110: 4,938 lb at pivot pin TX55: 4,938 lb ▶ WarrantyWarranty Length & Coverage 2-year full machine warranty; 8-year, 3,000-hour powertrain warranty (no deductible, parts and labor) Bumper-to-bumper: 24 months or 2,000 hours (parts and labor); powertrain: 72 months or 3,000 hours for non-commercial use (20 to 70 engine hp); front-end loaders and backhoes: 12 months ▶ ITC Company AccessoriesAccessories that fit 
