LS PS90

The LS PS90 is a tractor produced by Ls. It is equipped with a 195 ci 3.2 L engine. The listed engine power is Diesel (listed): 87 hp / 64.9 kW. Transmission: 40 forward and reverse. Operating weight: 6411 to 7015 pounds.

Engine Power
Diesel (listed): 87 hp / 64.9 kW
Fuel & Capacities
26.4 gal 99.9 L
Transmission
40 forward and reverse
Operating Weight
6411 to 7015 pounds

Overview

LS PS90 tractor photo
PLUS SeriesUtility tractor
PLUS Series
Utility tractor
Production
Manufacturer
LS
Utility tractor
LS PS90 Engine
FPT 3.2L 4-cyl diesel
Fuel tank
26.4 gal 99.9 L
Engine details ...
LS PS90 Power
Engine
87 hp 64.9 kW
PTO (claimed)
77 hp 57.4 kW
Mechanical
Four-wheel drive
Steering
hydrostatic power
ROPS. Cab optional with air-conditioning.
Hydraulics
Rear valves
3
Front valves
2
ROPS Pump flow
10.8 gpm 40.9 lpm
Cab Pump flow
14.8 gpm 56.0 lpm
Steering flow
6 gpm 22.7 lpm
Tractor hitch
Rear Type
II
Control
position and draft control
Rear lift
6173 lbs 2800 kg
Power Take-off (PTO)
Rear PTO
independent
Rear PTO Type
540/750/1000
Dimensions & Tires
Wheelbase
86.6 inches 219 cm
Weight
6411 to 7015 pounds
Front tire
12.4-24
Rear tire
18.4-30
Full dimensions and tires ...
Electrical
Ground
negative
Battery volts
12

Engine

Engine Detail — 195 ci / 3.2 L Diesel

Manufacturer
FPT F5C
Configuration
turbocharged intercooled diesel, 4-cylinder, liquid-cooled
Displacement
195 ci 3.2 L
Bore/Stroke
3.898x4.094 inches 99 x 104 mm
Emissions
Tier 3
Power
87 hp 64.9 kW
Air cleaner
dry
Rated RPM
2300
Starter
electric
Starter volts
12

Transmission

Transmission options
20-speed synchronized shuttle
40-speed power shuttle

Transmission — 20 forward and reverse synchronized shuttle

Type
synchronized shuttle
Gears
20 forward and reverse
PS90  synchronized shuttle speeds

Transmission — 40 forward and reverse power shuttle

Type
power shuttle
Gears
40 forward and reverse
PS90  power shuttle speeds

Dimensions

LS PS90 Tires
Ag front
12.4-24
Ag rear
18.4-30
Dimensions
Wheelbase
86.6 inches 219 cm
Length
157.1 inches 399 cm
Width
79.5 inches 201 cm
Height (ROPS)
105.4 inches 267 cm
Height (cab)
103.5 inches 262 cm
ROPS Weight
6411 lbs 2908 kg
Cab Weight
7015 lbs 3182 kg

Photos

LS PS90 tractor photo

LS PS90 tractor photo

Recommended Implements & Sizing Guide

Engineering recommendations for Ls PS90 based on its 87 HP power envelope and ASAE agricultural standards.

Implement & OperationRecommended SizeWorkload RatingEngineering Notes
Moldboard PlowPrimary Tillage
3 to 4 Bottom (16")3 - 4 铧 (40 cm)Heavy DutySuitable for medium loam and stubble turnover.
Rotary Cutter / MowerMowing & Clearing
7 to 8 ft (84-96 in)2.1 - 2.4 mHeavy DutyHeavy-duty twin spindle cutter for overgrown acreage.
Rotary TillerSeedbed Prep
78 to 84 in200 - 215 cmHeavy DutyHeavy commercial tiller with multi-speed gearbox.
Disc HarrowSecondary Tillage
10 to 14 ft Tandem / Offset3.0 - 4.2 m 重型交错耙Heavy DutyAggressive residue cutting in corn/cotton stubble.
Hay BalerHay & Forage
4x4 to 4x5 Round Baler1.2x1.5 m 紧凑圆捆机Heavy DutySilage and dry hay; 540 RPM PTO with slip-clutch.
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 PS90.

Estimated Continuous Field Runtime: 5.8 hrs

Approximately 5.8 hours of continuous field operation at ~75% rated power on a full tank (26.4 gal / 99.9 L).

Estimated 75% Load Fuel Burn~4.5 gal/hr (17.1 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 PS90 Specification Unit Converter

Convert power, fluid capacities, and operating weights between metric and imperial standards for Ls PS90.

Converted Equivalents:

Horsepower (HP)87 hp
Kilowatts (kW)64.9 kW
Metric Horsepower (PS / CV)88.2 PS

Direct Competitor Comparison

Compare LS PS90 against same-era industry alternatives in the same horsepower class.

Current Model
Ls

LS PS90

Engine Power:Diesel (listed): 87 hp / 64.9 kW
★ Baseline Reference
FordMarket Competitor

Ford 6710

Engine Power:78.5
Production Years:1982 - 1987
DeereMarket Competitor

Deere 3330

Engine Power:78.6
Production Years:1977 - 1980
New HollandMarket Competitor

New Holland 5640

Engine Power:78.7
Production Years:1996 - 1998
Deutz-FahrMarket Competitor

Deutz-Fahr 4080.4E

Engine Power:78.9
Production Years:2018 - 2026