RK Tractors RK37

RK Tractors RK37The RK Tractors RK37 is a 4WD compact utility tractor manufactured by TYM for distributor RK Tractors (a part of Rural King) from 2017. The RK37 is equipped with a 1.6 L (100.2 cu·in) three-cylinder diesel engine and one of two transmissions: a syncro shuttle transmission with 12 forward and 12 reverse gears or a hydrostatic transmission with infinite (3-range) forward and reverse gears.

The RK Tractors RK37 compact utility tractor used the Yanmar 3TNV88-CR engine. It is a 1.6 L, 1,642 cm2, (100.2 cu·in) three-cylinder natural aspirated diesel engine with 88.0 mm (3.46 in) of the cylinder bore and 90.0 mm (3.54 in) of the piston stroke. This engine produced 37.9 PS (27.9 kW; 37.4 HP) at 3,000 rpm of output power.
The RK Tractors RK37 is equipped with power steering, wet disc brakes, two-post ROPS (S, H) or Cab (SC,HC) and 34.0 liters (9.0 US gal.; 7.5 Imp. gal) fuel tank.

Following attachments are available for the RK Tractors RK37 compact utility tractor:

  • RK Tractors L102 loader
  • RK Tractors BH7.5 backhoe

The RK37 tractor variants:

  • RK37S shuttle ROPS
  • RK37H hydrostatic ROPS
  • RK37SC shuttle cab
  • RK37HC hydrostatic cab

RK Tractors RK37 Specifications

General Specifications
ModelRK Tractors RK37
Length S, H: 3,200 mm (126 in)
SC, HC: 3,250 mm (128 in)
Width S, H: 1,360 mm (53.5 in)
SC, HC: 1,475 mm (58.1 in)
Height S, H: 2,400 mm (94.5 in)
SC, HC: 2,350 mm (92.5 in)
Wheel base S, SC: 1,640 mm (64.6 in)
H, HC: 1,680 mm (66.1 in)
Ground clearance325 mm (12.8 in)
Weight S: 1,390 kg (3,064 lbs)
H: 1,410 kg (3,109 lbs)
SC: 1,550 kg (3,417 lbs)
HC: 1,565 kg (3,450 lbs)
Fuel tank capacity34.0 liters (9 US gal.; 7.5 Imp. gal)
Cabin typeTwo-post ROPS (S, H) or Cab (SC,HC)
Engine modelYanmar 3TNV88-CR
Engine typeFour-stroke, liquid-cooled, inline
Fuel typeDiesel
Displacement1.6 L, 1,642 cm2, (100.2 cu·in)
Bore and stroke88.0 mm X 90.0 mm (3.46 in X 3.54 in)
Horsepower37.9 PS (27.9 kW; 37.4 HP) at 3,000 rpm
Transmission and chassis
Chassis4×4 MFWD 4WD
Steering typePower
BrakesWet disc
Transmission model
Transmission typeSyncro shuttle
Gears12 forward and 12 reverse
Speed Forward: 24.1 kmh (15.0 mph)
Transmission model
Transmission typeHydrostatic
GearsInfinite (3-range) forward and reverse
Speed Forward: 27.0 kmh (16.8 mph)
Front tires Ag: 7-16
Lawn/turf: 28×8.5-15
Rear tires Ag: 11.2×24
Lawn/turf: 41×14-20
Three-Point Hitch
Control typePosition control
Lift capacity (at ends)1,200 kg (2,645 lbs)
PTO (Power take-off shaft)
Rear PTO typeIndependent with electro-hydraulic clutch
Rear PTO speed540 rpm
Hydraulic system
Hydraulic type
Pump flow6.4 gpm (24.2 lpm)
Steering flow4.6 gpm (17.4 lpm)
Total flow11.0 gpm (41.6 lpm)
ATTENTION! Dear visitors, this site is not a trading platform, an official dealer or a spare parts supplier, so we do not have any price lists, spare parts catalogs, service or owner manuals. We are an information portal and provide the technical specifications.

We try to use verified sources and official documentation, however, differences between sources or errors in entering information may occur. In addition, the characteristics may vary depending on the modification and market. We do not provide advice on technical issues related to the any operation or repair. We do not recommend using provided information for repairing or spare parts ordering, use only official service manuals and spare-parts catalogs.

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