RK Tractors

RK Tractors RK37H

The RK Tractors RK37H is a compact utility tractor built by TYM and distributed by RK Tractors (a part of Rural King) since 2017. It features a 37.4 hp Yanmar 1.6L 3-cylinder liquid-cooled diesel engine with common rail direct injection, hydrostatic transmission with infinite forward and reverse speeds in 3 ranges, and four-wheel drive. The tractor includes power steering, wet disc brakes, and a two-post ROPS. It has a 9-gallon fuel tank and a PTO rated at 28.8 hp. The RK37H supports various attachments including a front-end loader (L102 Loader) and a backhoe (RK Tractors BH7.5 Backhoe). It has a wheelbase of 66.1 inches, weighs 3106 lbs, and comes with standard agricultural tires 7-16 front and 11.2x24 rear. Variants include shuttle and hydrostatic transmissions with ROPS or cab configurations.

Power37 hp

Founded2017 -

ModelRK37H

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Technical Specifications

Detailed specifications and technical data for RK Tractors RK37H

Power

PTO (claimed)	28.8 hp (21.5 kW)
Engine (gross)	37.4 hp (27.9 kW)

Tires

Lawn/turf rear	41x14-20
Industrial rear	43x16-20
Lawn/turf front	28x8.5-15
Industrial front	10-16.5
Standard tires (ag)	Front: 7-16. Rear: 11.2x24

Engine

Type	diesel
Model	Yanmar 3TNV88-CR
Cooling	liquid-cooled
Starter	electric
Cylinders	3-cylinder
Rated RPM	3000
Bore/Stroke	3.39x3.54 inches (86 x 90 mm)
Fuel system	common rail direct injection
Displacement	100.2 ci (1.6 L)
Starter volts	12

Variants

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

Dimensions

Width	53.5 inches (135 cm)
Length	126 inches (320 cm)
Weight	3106 lbs (1408 kg)
Wheelbase	66.1 inches (167 cm)
Height (ROPS)	94.5 inches (240 cm)
Ground clearance	12.8 inches (32 cm)

Electrical

Ground	negative
Battery volts	12
Charging amps	55
Charging system	alternator

Hydraulics

Valves	1
Pump flow	6.4 gpm (24.2 lpm)
Total flow	11 gpm (41.6 lpm)
Steering flow	4.6 gpm (17.4 lpm)

Mechanical

ROPS	Two-post ROPS
Power steering	Yes
Wet disc brakes	Yes
Four-wheel drive	Yes

Production

Type	Compact Utility tractor
Distributor	RK Tractors (a part of Rural King)
Manufacturer	TYM
Original price	$18,999 in 2017
Production years	2017 -

Attachments

Backhoe	Yes
Loader model	L102 Loader
Backhoe model	RK Tractors BH7.5 Backhoe
Loader weight	1052 lbs (477 kg)
Front-end loader	Yes
Backhoe swing arc	180°
Loader attachment	quick coupler
Loader dump angle	40°
Loader bucket width	62 inches (157 cm)
Backhoe bucket force	4554 lbs (2065 kg)
Backhoe bucket widths	9 inches (22 cm), 12 inches (30 cm), 16 inches (40 cm), 18 inches (45 cm), 24 inches (60 cm)
Loader reach (dumped)	23.2 inches (58 cm)
Loader reach (ground)	67.2 inches (170 cm)
Loader rollback angle	30°
Backhoe loading height	90 inches (228 cm)
Loader height (at pin)	102.3 inches (259 cm)
Backhoe bucket rotation	149°
Backhoe reach from pivot	123.6 inches (313 cm)
Backhoe transport height	85.2 inches (216 cm)
Loader breakout (at pin)	3435 lbs (1558 kg)
Backhoe dipperstick force	2530 lbs (1147 kg)
Loader clearance (dumped)	77.4 inches (196 cm)
Loader lift (full at pin)	2116 lbs (959 kg)
Backhoe weight (without bucket)	1340 lbs (607 kg)
Backhoe 2-Foot flat digging depth	91.2 inches (231 cm)