LS U6020
The LS U6020 is a tractor produced by Ls. It is equipped with a 159.9 ci 2.6 L engine. The listed engine power is Diesel (listed): 57 hp / 42.5 kW. Transmission: 16 forward and reverse. Operating weight: 4773 to 5225 pounds.
Engine Power
Diesel (listed): 57 hp / 42.5 kW
Fuel & Capacities
21.1 gal
79.9 L
Transmission
16 forward and reverse
Operating Weight
4773 to 5225 pounds
Overview
 | U SeriesUtility tractor |
|---|---|
U Series | |
Utility tractor | |
Production | |
|---|---|
Manufacturer | LS |
Utility tractor | |
LS U6020 Engine | |
|---|---|
LS 2.6L 4-cyl diesel | |
Fuel tank | 21.1 gal
79.9 L |
Engine details ...  | |
LS U6020 Transmission | |
|---|---|
16-speed synchronized shuttle | |
Transmission details ...  |
LS U6020 Power | |
|---|---|
Engine | 57 hp
42.5 kW |
PTO (claimed) | 50 hp
37.3 kW |
Mechanical | |
|---|---|
Four-wheel drive | |
Steering | hydrostatic power |
ROPS. Cab optional. | |
Hydraulics | |
|---|---|
Rear valves | 2 |
Front valves | 2 |
Pump flow | 9.1 gpm
34.4 lpm |
Total flow | 13.8 gpm
52.2 lpm |
Steering flow | 4.7 gpm
17.8 lpm |
Tractor hitch | |
|---|---|
Rear Type | II |
Control | position and draft control |
Power Take-off (PTO) | |
|---|---|
Rear PTO | independent |
Rear PTO Type | 540/750/1000 |
Dimensions & Tires | |
|---|---|
Wheelbase | 80.6 inches
204 cm |
Weight | 4773 to 5225 pounds |
Front tire | 11.2-20 |
Rear tire | 14.9-28 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | negative |
Battery volts | 12 |
Engine
Engine Detail — 159.9 ci / 2.6 L Diesel
Manufacturer | LS L4AL-T2 |
Fuel Type | Diesel |
Configuration | 4-cylinder, liquid-cooled |
Displacement | 159.9 ci
2.6 L |
Emissions | Tier 3 |
Power | 57 hp
42.5 kW |
Fuel system | direct injection |
Air cleaner | dry |
Rated RPM | 2500 |
Starter | electric |
Starter volts | 12 |
Transmission
Transmission — 16 forward and reverse synchronized shuttle
Type | synchronized shuttle |
Gears | 16 forward and reverse |
 | |
Dimensions
LS U6020 Tires | |
|---|---|
Ag front | 11.2-20 |
Ag rear | 14.9-28 |
Dimensions | |
|---|---|
Wheelbase | 80.6 inches
204 cm |
Length | 135.2 inches
343 cm |
Width | 70 inches
177 cm |
Height (ROPS) | 102.9 inches
261 cm |
Height (cab) | 98.7 inches
250 cm |
ROPS Weight | 4773 lbs
2165 kg |
Cab Weight | 5225 lbs
2370 kg |
Recommended Implements & Sizing Guide
Engineering recommendations for Ls U6020 based on its 57 HP power envelope and ASAE agricultural standards.
| Implement & Operation | Recommended Size | Workload Rating | Engineering Notes |
|---|---|---|---|
Moldboard PlowPrimary Tillage | 3 to 4 Bottom (16")3 - 4 铧 (40 cm) | Heavy Duty | Suitable for medium loam and stubble turnover. |
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 U6020.
Estimated Continuous Field Runtime: 7.1 hrs
Approximately 7.1 hours of continuous field operation at ~75% rated power on a full tank (21.1 gal / 79.9 L).
Estimated 75% Load Fuel Burn~3 gal/hr (11.2 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 U6020 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Ls U6020.
Converted Equivalents:
Horsepower (HP)57 hp
Kilowatts (kW)42.5 kW
Metric Horsepower (PS / CV)57.8 PS
Direct Competitor Comparison
Compare LS U6020 against same-era industry alternatives in the same horsepower class.
Current Model
Ls
LS U6020
Engine Power:Diesel (listed): 57 hp / 42.5 kW
★ Baseline Reference
International HarvesterMarket Competitor
International Harvester TD-9
Engine Power:51.5
Production Years:1939 - 1962
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