LS R4020H
The LS R4020H is a tractor produced by Ls. It is equipped with a 152.9 ci 2.5 L engine. The listed engine power is Diesel (gross): 47 hp / 35.0 kW. Transmission: infinite forward and reverse (3-range). Operating weight: 568 lbs 257 kg.
Engine Power
Diesel (gross): 47 hp / 35.0 kW
Fuel & Capacities
9.5 gal
36.0 L
Transmission
infinite forward and reverse (3-range)
Operating Weight
568 lbs
257 kg
Overview
 | 2009 - 2010
R SeriesCompact Utility tractor
R Series
Compact Utility tractor |
|---|
Production | |
|---|---|
Manufacturer | LS |
Compact Utility tractor | |
Variants | |
|---|---|
R4020 | shuttle |
R4020H | hydrostatic |
LS R4020H Engine | |
|---|---|
Mitsubishi 2.5L 4-cyl diesel | |
Fuel tank | 9.5 gal
36.0 L |
Engine details ...  | |
LS R4020H Transmission | |
|---|---|
hydrostatic | |
Transmission details ...  |
LS R4020H Power | |
|---|---|
Engine (gross) | 47 hp
35.0 kW |
PTO (claimed) | 41 hp
30.6 kW |
Mechanical | |
|---|---|
Four-wheel drive | |
Steering | hydrostatic power |
Wet disc brakes | |
Two-post ROPS. | |
Hydraulics | |
|---|---|
Pump flow | 8.2 gpm
31.0 lpm |
Total flow | 12.3 gpm
46.6 lpm |
Steering flow | 4.1 gpm
15.5 lpm |
Tractor hitch | |
|---|---|
Rear Type | I |
Control | position and draft control |
Rear lift | 2755 lbs
1249 kg |
Power Take-off (PTO) | |
|---|---|
Rear PTO | independent |
Rear PTO Type | 540 (1.375) |
Mid PTO | optional |
Mid PTO Type | 2000 |
Dimensions & Tires | |
|---|---|
Wheelbase | 69.2 inches
175 cm |
Weight | 3813 lbs
1729 kg |
Front tire | 9.5x16 |
Rear tire | 12.4x24 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | negative |
Charging system | alternator |
Charging amps | 50 |
Battery volts | 12 |
Engine
Engine Detail — 152.9 ci / 2.5 L Diesel
Manufacturer | Mitsubishi S4QL |
Configuration | 4-cylinder, liquid-cooled |
indirect injection diesel | |
Displacement | 152.9 ci
2.5 L |
Bore/Stroke | 3.46x4.06 inches
88 x 103 mm |
Power (gross) | 47 hp
35.0 kW |
Rated RPM | 2600 |
Starter | electric |
Starter volts | 12 |
Transmission
Transmission — infinite forward and reverse (3-range) hydrostatic
Type | hydrostatic |
Gears | infinite forward and reverse (3-range) |
Dimensions
LS R4020H Tires | |
|---|---|
Standard tires (ag) | Front: 9.5x16. Rear: 12.4x24 |
Lawn/turf front | 28x8.5-15 |
Lawn/turf rear | 41x14-20 |
Industrial front | 10x16.5 |
Industrial rear | 43x14-20.4 |
Dimensions | |
|---|---|
Wheelbase | 69.2 inches
175 cm |
Length | 132.2 inches
335 cm |
Width | 55.9 inches
141 cm |
Height (ROPS) | 95.1 inches
241 cm |
Weight | 3813 lbs
1729 kg |
Attachments
Attachment overview | |
|---|---|
72" mid-mount mower deck | |
Front-end loader | |
Backhoe |
72" Mower deck | |
|---|---|
Type | mid-mount LM4500 |
3-blade | |
Cutting width | 72 inches
182 cm |
Weight | 568 lbs
257 kg |
Overall width | 86 inches
218 cm |
Cut height | 1 to 4 inch
2 to 10 cm |
LS LB2101 Backhoe | |
|---|---|
Backhoe type | LS LB2101 Backhoe |
Digging depth | 89.7 inches
227 cm |
Reach from pivot | 125.1 inches
317 cm |
Loading height | 72.4 inches
183 cm |
Bucket Rotation | 180° |
Swing Arc | 180° |
Bucket force | 2817 lbs
1277 kg |
Dipperstick force | 2105 lbs
954 kg |
Photos
LS R4020H tractor photo
Recommended Implements & Sizing Guide
Engineering recommendations for Ls R4020H based on its 47 HP power envelope and ASAE agricultural standards.
| Implement & Operation | Recommended Size | Workload Rating | Engineering Notes |
|---|---|---|---|
Moldboard PlowPrimary Tillage | 2 to 3 Bottom (14-16")2 - 3 铧 (35-40 cm) | Medium Duty | Standard utility farm tillage. |
Rotary Cutter / MowerMowing & Clearing | 6 ft (72 in)1.8 m | Medium Duty | Medium pasture clearing; rear slip-clutch recommended. |
Rotary TillerSeedbed Prep | 66 to 72 in165 - 180 cm | Medium Duty | Standard utility tiller; slip clutch protection required. |
Disc HarrowSecondary Tillage | 7 to 8 ft Tandem Disc2.1 - 2.4 m 对开双排耙 | Medium Duty | Field leveling and clod breaking behind plows. |
Hay BalerHay & Forage | Small Square Baler (14x18")小方捆打捆机 (36x46 cm) | Medium Duty | Classic 2-string baler for horse and small livestock hay. |
Sizing & Soil Condition NoteActual implement sizing varies depending on local soil conditions (heavy clay vs sandy loam), field slope, and operating speed. Heavy tillage implements may require front ballast weights and wheel weights.
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for Ls R4020H.
Estimated Continuous Field Runtime: 3.9 hrs
Approximately 3.9 hours of continuous field operation at ~75% rated power on a full tank (9.5 gal / 36 L).
Estimated 75% Load Fuel Burn~2.4 gal/hr (9.3 L/hr)
Engine Crankcase Oil
SAE 15W-40 (Heavy Duty Diesel)
Standard Spec: API CK-4 / CJ-4 Heavy Duty
Service Interval: 150 – 250 Hours
Transmission & Hydraulic System
UTTO (Universal Tractor Transmission Oil)
Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)
Service Interval: 600 – 1000 Hours
Engine Cooling System
50/50 Ethylene Glycol Pre-mix
Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze
Service Interval: 2 Years / 1500 Hours
Ls R4020H Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Ls R4020H.
Converted Equivalents:
Horsepower (HP)47 hp
Kilowatts (kW)35 kW
Metric Horsepower (PS / CV)47.7 PS
Direct Competitor Comparison
Compare LS R4020H against same-era industry alternatives in the same horsepower class.
Current Model
Ls
LS R4020H
Engine Power:Diesel (gross): 47 hp / 35.0 kW
★ Baseline Reference