LS R4020
The LS R4020 is a compact utility tractor produced from 2009 to 2010 as part of the R Series by LS. It features a Mitsubishi 2.5L 4-cylinder diesel engine delivering 47 hp gross power and 41 hp PTO power. The tractor has a 16-speed synchro shuttle transmission and hydrostatic power steering. It includes four-wheel drive, wet disc brakes, and a two-post ROPS for safety. The R4020 supports various attachments including a 72" mid-mount mower deck, front-end loader, and backhoe. Dimensions include a 69.2 inch wheelbase, 132.2 inch length, and a weight of 3813 lbs. The tractor is equipped with standard agricultural tires and optional lawn/turf and industrial tires. Hydraulics provide a pump flow of 8.2 gpm and total flow of 12.3 gpm. Electrical system features a 12-volt battery and 50 amp alternator.
Power47 hp
Founded2009 - 2010
ModelR4020
Technical Specifications
Detailed specifications and technical data for LS R4020
Power
| PTO (claimed) | 41 hp (30.6 kW) |
|---|---|
| Engine (gross) | 47 hp (35.0 kW) |
Tires
| Lawn/turf rear | 41x14-20 |
|---|---|
| Industrial rear | 43x14-20.4 |
| Lawn/turf front | 28x8.5-15 |
| Industrial front | 10x16.5 |
| Standard tires (ag) | Front: 9.5x16. Rear: 12.4x24 |
Engine
| Type | indirect injection diesel |
|---|---|
| Model | Mitsubishi S4QL |
| Cooling | liquid-cooled |
| Starter | electric |
| Cylinders | 4-cylinder |
| Fuel tank | 9.5 gal (36.0 L) |
| Rated RPM | 2600 |
| Bore/Stroke | 3.46x4.06 inches (88 x 103 mm) |
| Displacement | 152.9 ci (2.5 L) |
| Power (gross) | 47 hp (35.0 kW) |
| Starter volts | 12 |
Variants
| R4020 | shuttle |
|---|---|
| R4020H | hydrostatic |
Dimensions
| Width | 55.9 inches (141 cm) |
|---|---|
| Length | 132.2 inches (335 cm) |
| Weight | 3813 lbs (1729 kg) |
| Wheelbase | 69.2 inches (175 cm) |
| Height (ROPS) | 95.1 inches (241 cm) |
Electrical
| Ground | negative |
|---|---|
| Battery volts | 12 |
| Charging amps | 50 |
| Charging system | alternator |
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) |
Mechanical
| ROPS | Two-post ROPS |
|---|---|
| Brakes | Wet disc brakes |
| Steering | hydrostatic power |
Production
| Series | R Series |
|---|---|
| Category | Compact Utility tractor |
| Manufacturer | LS |
| Years produced | 2009 - 2010 |
Transmission
| Type | synchro shuttle |
|---|---|
| Gears | 16 forward and reverse |
LL4100 Loader
| Dump time | 2.7s |
|---|---|
| Dump angle | 47° |
| Lower time | 2.1s |
| Raise time | 3.2s |
| Rollback time | 1.7s |
| Reach (dumped) | 24.3 inches (61 cm) |
| Reach (ground) | 70.5 inches (179 cm) |
| Rollback angle | 40° |
| Height (at pin) | 96.2 inches (244 cm) |
| Clearance (dumped) | 66 inches (167 cm) |
| Breakout force (at pin) | 3042 lbs (1379 kg) |
| Lift capacity (full at pin) | 2186 lbs (991 kg) |
Tractor hitch
| Control | position and draft control |
|---|---|
| Rear Type | I |
| Rear lift | 2755 lbs (1249 kg) |
72" Mower deck
| Type | mid-mount LM4500 |
|---|---|
| Blades | 3-blade |
| Weight | 568 lbs (257 kg) |
| Cut height | 1 to 4 inch (2 to 10 cm) |
| Cutting width | 72 inches (182 cm) |
| Overall width | 86 inches (218 cm) |
LS LB2101 Backhoe
| Swing Arc | 180° |
|---|---|
| Backhoe type | LS LB2101 Backhoe |
| Bucket force | 2817 lbs (1277 kg) |
| Digging depth | 89.7 inches (227 cm) |
| Loading height | 72.4 inches (183 cm) |
| Bucket Rotation | 180° |
| Reach from pivot | 125.1 inches (317 cm) |
| Dipperstick force | 2105 lbs (954 kg) |
Power Take-off (PTO)
| Mid PTO | optional |
|---|---|
| Rear PTO | independent |
| Mid PTO Type | 2000 |
| Rear PTO Type | 540 (1.375) |
