▶ EngineEngine Manufacturer Kubota Yanmar Engine Model V2403-CR-TE4-GL2 4TNV86T-CR Engine Type Liquid-cooled, 4-cycle multi valve, diesel, Turbocharged 4-cycle, inline, water-cooled, turbocharged diesel No. of Cylinders 4 4 Displacement 148.5 in³ 127.6 in³ Rated Engine Speed 2600 rpm 2800 rpm Engine Power (Gross) 56 hp 55.1 hp PTO Power 46.5 hp RK55S: 44.9 hp; RK55H: 42.2 hp; RK55SC: 44.9 hp; RK55HC: 42.2 hp Engine Emissions Constraints Tier 4 Tier 4 Cooling System Type Liquid-cooled Water-cooled, forced circulation with fan Air Cleaner Dry paper, dual element Dry dual element Fuel System Electronic Common Rail System (CRS) Common Rail Direct Injection Alternator 45 A, 12 V 70 A, 12 V ▶ HydraulicsPump Type Tandem pump - gear type Dual Gear Pump Implement Flow 9.4 gpm 9.5 gpm Steering Flow 4.7 gpm 5.0 gpm Total Hydraulic Flow 14.1 gpm 14.5 gpm Overall Hydraulic Pump Flow 14.1 gpm 9.5 gpm Hydraulic System Type Open center Independent fully live hydraulic pump with separate reservoir; position control with isolating and response control Rear Remote Hydraulic Flow Not Published Not Published No. of Standard Remote Valves Not Published 2 No. of Optional Remote Valves Optional, up to 3 (double-acting valve or float detent valve options, any position) Not Published ▶ Fluid CapacityFuel Tank Capacity 13.5 gal 15.85 gal Coolant Capacity 8.7 qt 2.5 gal Crankcase Capacity 9.9 qt 5.6 qt Transmission / Hydraulic System Capacity 11.9 gal 9.24 gal Front Axle Fluid Capacity 8.9 qt 2.64 gal ▶ PTO & HitchPTO Type Live independent (hydraulic clutch) Independent PTO Rear 540 rpm @ 2400 engine rpm 540 rpm Mid-PTO Availability Optional RK55S, RK55SC: no mid-PTO offered Category, 3-Point Hitch SAE Category I & II Category I Hitch Lift Capacity 3,858 lb 3,314 lb Hitch Lift Capacity (at 24”) 2,976 lb 2,945 lb Lift Control Type Position control Position and draft control ▶ Transmission & DrivetrainTransmission Type Hydrostatic transmission RK55S, RK55SC: 16F/16R Syncro Shuttle w/creeper; RK55H, RK55HC: Hydrostatic, 3-range No. of Speeds 3-range, 6 speeds (H-DS), infinitely variable in each RK55S, RK55SC: 16 forward, 16 reverse; RK55H, RK55HC: infinite (3 ranges) Max Travel Speed (Forward) 16.8 mph RK55S, RK55SC: 18.4 mph; RK55HC: 17.9 mph Max Travel Speed (Reverse) 15.2 mph RK55S, RK55SC: 16.1 mph Clutch Not Published RK55S, RK55SC: main dry single disc, mechanical (10.24 in diameter); PTO multiple wet disc Differential Lock & Limited Slip Options Rear differential lock, standard 4WD (MFWD) standard; bevel-gear rear differential lock ▶ Chassis, Steering & ControlsFrame Type Not Published Transmission case, clutch housing, engine and front axle support bolted together to form a rigid unit Steering Hydrostatic power steering Hydrostatic power steering Brakes Wet disc type, mechanically activated Wet disc, mechanical, foot operated Seat Suspension & Adjustability Suspension seat with fore/aft travel adjustment, suspension adjust knob, backrest tilt adjustment, swivel and arm rest Suspension seat with armrests and retractable seat belt, standard Front Axle Type 4WD: Bevel gear front axle, non-adjustable tread spacing Center-pivot, reverse Elliot type (4WD) Front Axle Rating Not Published Not Published Drawbar Capacity 1,433 lb Not Published ▶ Dimensions & ManeuverabilityOverall Length with 3-Point Hitch 135.0 in 141.3 in Overall Width 67.3 in 63.8 in Wheelbase 75.4 in 76.2 in Ground Clearance 15.4 in 13.8 in Min. Turn Radius without Brakes 9.2 ft (with brake applied) Not Published Height to Top of ROPS 98.0 in RK55S, RK55H: 102.1 in Height to Top of ROPS (folded) Not Published Not Published Height to Top of Cab Model Not Applicable RK55SC, RK55HC: 99.6 in ▶ WeightTractor Weight (Base) 3,990 lb RK55S, RK55H: 3,814 lb; RK55SC, RK55HC: 4,233 lb Weight with ROPS and Loader Not Published 5,075 lb Weight with Cab and Loader Not Published Not Published ▶ Tire OptionsTire Size & Options 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) Titan (USA): R4 Industrial (Std), R1 Agricultural (Opt), R3 Turf (Opt) R1 Agricultural - Front 9.5-16 9.5x16 R1 Agricultural - Rear 14.9-26; 13.6-28 14.9x24 R3 Turf - Front 29X12.50-15 12x16.5 R3 Turf - Rear 44X18-20 16.9x24 R4 Industrial - Front 10-16.5 12x16.5 R4 Industrial - Rear 17.5L-24 16.9x24 ▶ Loader & AttachmentsQuick Attach Loader System Mechanical 2-Lever Quick Coupler (standard); Hydraulic 2-Lever Quick Coupler (optional); Single Lever Hose Quick Coupler (optional) L110: Skid-steer compatible quick-attach Loader Model LA1055 L110 Loader Lift Height 112.7 in L110: 110 in Loader Lift Capacity (Full Height) 2361 lb L110: 2,478 lb at pivot pin to full height Loader Breakout Force 3171 lbf (19.7 in forward of pivot pin) L110: 4,938 lb at pivot pin ▶ WarrantyWarranty 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. 2-year full machine warranty; 8-year, 3,000-hour powertrain warranty (no deductible, parts and labor) ▶ ITC Company AccessoriesAccessories that fit 
