LS U50 Tractor

Manufacturer LS
Price -
Model U50
Equipment Type Utility Tractors
Factory

LS U50 POWER

Engine 47hp / 35.0kW
PTO (claimed) 41.3hp / 30.8kW

ENGINE DETAIL

The LS U50 tractor is powered by a 2.5L LS S4QL diesel engine, which delivers 47hp at a rated RPM of 2600, making it suitable for medium-duty agricultural tasks. Its indirect fuel injection and Tier 3 emissions compliance offer a balance between performance and regulatory adherence, though it may lack the efficiency of newer Tier 4 engines. Additionally, the dry air cleaner design may require more frequent maintenance in dusty conditions, impacting operational uptime if not monitored properly.

Description LS S4QL diesel 4-cylinder liquid-cooled
Displacement 152.9ci / 2.5L
Bore/Stroke 3.46x4.06inches / 88x 103 mm
Emissions Tier 3
Power 47hp / 35.0kW
Fuel system indirect injection
Air cleaner dry
Rated RPM 2600
Starter electric
Starter volts 12

LS U50 ENGINE

The LS U50 features a robust 2.5L 4-cylinder diesel engine, providing efficient fuel consumption and power for various agricultural tasks. Its 21.1-gallon (79.9L) fuel tank supports extended operational periods, reducing downtime for refueling, which is advantageous for large-scale farming. However, consider the trade-off in weight and maneuverability due to the increased fuel capacity, particularly in confined spaces.

Description LS 2.5L 4-cyl diesel
Fuel tank 21.1gal / 79.9L

TRANSMISSIONS OVERVIEW

The LS U50 tractor features a 16-speed synchronized shuttle and an optional 32-speed synchronized shuttle creeper transmission, providing versatility for various applications. This transmission setup enables seamless direction changes while maintaining optimal engine RPMs, enhancing operational efficiency in both field and loader work. However, the complexity of the system may require more maintenance and operator training to maximize performance.

Description 16-speed synchronized shuttle 32-speed synchronized shuttle creeper

TRANSMISSION 1

The LS U50 tractor features a synchronized shuttle transmission, allowing for smooth gear shifts and better control when transitioning between forward and reverse, which is advantageous in applications requiring frequent directional changes. With 16 forward and reverse gears, operators can optimize power and speed for various tasks, enhancing efficiency across diverse terrains. However, the complexity of more gears may require additional training for operators less familiar with advanced transmission systems.

Type synchronized shuttle
Gears 16 forward and reverse

TRANSMISSION 2

The LS U50 tractor features a synchronized shuttle transmission with a creeper gear, offering 32 forward and 16 reverse gears, which enhances maneuverability in tight spaces and precise control during low-speed operations. The extensive gear range provides versatility for various applications, from heavy-duty fieldwork to subtle positioning tasks. However, operators may face a learning curve due to the complexity of shifting between numerous gears, particularly in high-stress environments.

Type synchronized shuttle creeper
Gears 32 forward and 16 reverse

MECHANICAL

The LS U50 tractor features a 4x4 MFWD 4WD chassis, providing optimal traction for varied terrains, making it suitable for both agricultural and construction tasks. Its hydrostatic power steering enhances maneuverability, especially in tight spaces, while the transmission options allow flexibility for different operations, with the 32-speed synchronized shuttle creeper being advantageous for precision tasks such as planting and tilling. However, the necessity for optional ROPS can be a drawback for users seeking standard equipment, as it may mandate additional costs for safety compliance.

Chassis 4x4 MFWD 4WD
Steering hydrostatic power
Cab ROPS. Cab optional.
Transmissions 16-speed synchronized shuttle/32-speed synchronized shuttle creeper

HYDRAULICS

Rear valves 2
Front valves 2
Pump flow 9.1gpm / 34.4lpm
Total flow 13.8gpm / 52.2lpm
Steering flow 4.7gpm / 17.8lpm

TRACTOR HITCH

Rear Type I
Control position and draft control

POWER TAKE-OFF (PTO)

Rear PTO independent
Rear RPM 540/750 / 1000

LS U50 TIRES

The LS U50 tractor is equipped with Ag front tires sized 9.5-20 and Ag rear tires 13.6-28, providing a favorable balance of traction and stability for various agricultural applications. This configuration is advantageous for maneuverability in tight spaces, while the larger rear tires enhance weight distribution and reduce soil compaction. However, operators should consider ground conditions and load requirements, as these tire sizes may limit performance on steeper terrains or heavier implements.

Ag front 9.5-20
Ag rear 13.6-28

DIMENSIONS

Wheelbase 76inches / 193cm
Length 135.2inches / 343cm
Width 65.7inches / 166cm
Height (ROPS) 102.3inches / 259cm
Height (cab) 94.6inches / 240cm
ROPS Weight 4303lbs / 1951kg
Cab Weight 4839lbs / 2194kg

DIMENSIONS & TIRES

The LS U50 tractor's 76-inch wheelbase provides stability and maneuverability, making it suitable for various agricultural tasks. With a weight range of 4303 to 4839 pounds, it offers adequate traction for demanding applications while maintaining ground stability. The specified tire sizes (front: 9.5-20, rear: 13.6-28) enhance soil grip and reduce compaction, especially useful in versatile field conditions but may challenge handling in tight spaces.

Wheelbase 76inches / 193cm
Weight 4303 to 4839 pounds
Front tire 9.5-20
Rear tire 13.6-28

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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