LS PS90 Tractor

Manufacturer LS
Price -
Model PS90
Equipment Type Utility Tractors
Factory

LS PS90 POWER

Engine 87hp / 64.9kW
PTO (claimed) 77hp / 57.4kW

ENGINE DETAIL

The LS PS90 tractor features a robust FPT F5C turbocharged diesel engine with a displacement of 3.2L, offering a balance of power (87 hp) and torque for agricultural tasks. Its Tier 3 emissions compliance enhances environmental acceptance while the dry air cleaner promotes reduced maintenance needs. Operating at a rated RPM of 2300 allows for efficient power delivery, suitable for medium-duty applications like tilling and hauling, though potential louder operation at higher RPMs may be noted.

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

LS PS90 ENGINE

The LS PS90 tractor is powered by a robust FPT 3.2L 4-cylinder diesel engine, offering reliable torque for demanding agricultural tasks. With a fuel tank capacity of 26.4 gallons (99.9 liters), it provides extended operational time, reducing the need for frequent refueling in large-scale farming applications. Be mindful of potential challenges with fuel efficiency at higher loads, which can impact operational costs during prolonged usage.

Description FPT 3.2L 4-cyl diesel
Fuel tank 26.4gal / 99.9L

TRANSMISSIONS OVERVIEW

The LS PS90 tractor features a 20-speed synchronized shuttle transmission, offering smooth forward and reverse shifting, ideal for applications requiring frequent directional changes. The 40-speed power shuttle enhances versatility, allowing for precise speed control during various tasks. However, operators may need to invest time in mastering the transmission controls, potentially challenging for those new to advanced tractor operations.

Description 20-speed synchronized shuttle 40-speed power shuttle

TRANSMISSION 1

The LS PS90 tractor features a synchronized shuttle transmission, providing smooth gear transitions essential for loader work and field operations. With 20 forward and reverse gears, operators benefit from enhanced control and precision, especially in varying terrain conditions. However, the complexity of the system may require more maintenance, so regular servicing is vital to ensure optimal performance.

Type synchronized shuttle
Gears 20 forward and reverse

TRANSMISSION 2

The LS PS90's power shuttle transmission allows for seamless direction changes without clutch engagement, enhancing operational efficiency, especially in tasks requiring frequent forward and reverse movement. With a total of 40 gears, users can achieve optimal torque and speed for diverse agricultural applications, though mastering the gear selection may pose a challenge for less experienced operators. Overall, this tractor is well-suited for intensive farming operations where precision and maneuverability are essential.

Type power shuttle
Gears 40 forward and reverse

MECHANICAL

The LS PS90 tractor features a robust 4x4 MFWD system enhancing traction and stability on uneven terrain, which is advantageous for both agricultural and construction applications. The hydrostatic power steering provides exceptional maneuverability, especially in tight spaces, while the optional air-conditioned cab ensures operator comfort during extended working hours. The 20-speed synchronized shuttle transmission allows for precise speed control, but the potential complexity of 40-speed power shuttle may challenge operators unfamiliar with advanced transmission systems.

Chassis 4x4 MFWD 4WD
Steering hydrostatic power
Cab ROPS. Cab optional with air-conditioning.
Transmissions 20-speed synchronized shuttle/40-speed power shuttle

HYDRAULICS

Rear valves 3
Front valves 2
ROPS Pump flow 10.8gpm / 40.9lpm
Cab Pump flow 14.8gpm / 56.0lpm
Steering flow 6 gpm /22.7 lpm

TRACTOR HITCH

Rear Type II
Control position and draft control
Rear lift 6173lbs / 2800kg

POWER TAKE-OFF (PTO)

Rear PTO independent
Rear RPM 540/750 / 1000

LS PS90 TIRES

The LS PS90 tractor features a front tire size of 12.4-24 and a rear tire size of 18.4-30, optimizing its stability and traction for various agricultural tasks. The larger rear tires provide better weight distribution and increased grip, which is advantageous in muddy or uneven terrains. However, the tire size may limit maneuverability in tight spaces, hence best suited for open fields or larger farms.

Ag front 12.4-24
Ag rear 18.4-30

DIMENSIONS

Wheelbase 86.6inches / 219cm
Length 157.1inches / 399cm
Width 79.5inches / 201cm
Height (ROPS) 105.4inches / 267cm
Height (cab) 103.5inches / 262cm
ROPS Weight 6411lbs / 2908kg
Cab Weight 7015lbs / 3182kg

DIMENSIONS & TIRES

The LS PS90 tractor features a wheelbase of 86.6 inches, enhancing stability during operation but may limit maneuverability in tight spaces. Weighing between 6411 to 7015 pounds allows for substantial towing capacity, yet attention to ballast distribution is crucial to prevent soil compaction. The tire specifications, with 12.4-24 in the front and 18.4-30 in the rear, provide good traction and flotation on various terrains, making it well-suited for agricultural applications yet potentially challenging in compacted or rocky ground.

Wheelbase 86.6inches / 219cm
Weight 6411 to 7015 pounds
Front tire 12.4-24
Rear tire 18.4-30

ELECTRICAL

Ground negative
Battery volts 12


Last Updated 2025-01-01
Stephen is a passionate tractor hobbyist with a deep-seated love for all things mechanized and agricultural. Growing up in a rural setting, he developed a fascination with these mighty machines that have played a crucial role in shaping the farming industry.

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