Utility tractorsSpec sheet
LS U50
The LS U50 is a versatile utility tractor built for various farm tasks. It has a strong 4WD system and hydrostatic power steering, making it easy to control in different conditions. The tractor uses a synchronized shuttle transmission with 32 gears, giving the operator many options for speed and power. Under the hood, the U50 has a LS S4QL diesel engine with four cylinders. This engine is liquid-cooled and uses indirect injection. It produces 47 hp at 2600 rpm, which is average power for its class. The engine's size is also average, with a displacement of 152.9 ci. The tractor weighs 4303 lb and has agricultural tires front and rear. It's equipped with a three-point hitch at the back, which is useful for attaching various implements. The U50's compact size, measuring 135.2 inches long, 65.7 inches wide, and 102.3 inches tall, makes it suitable for working in tight spaces around the farm.
ManufacturerLSPower47 hp(35.0 kW)Class40–60 HP tractors →Engine4-cylinderTransmissionSynchronized Shuttle
Key specifications
- Category
- Utility
- Engine power
- 47hp
- Operating weight
- 4,303 lb
- Transmission
- Synchronized Shuttle
Category comparison
U50 compared with its category
vs. Utility medianDistribution
Engine Power (hp)
All recorded Utility tractors
47 hp · 41st
This model
9
Median 55 hp
177
This modelUtility tractorsMediann = 5,383
The U50 ranks at the 41st percentile for engine power among recorded utility tractors.
Overview
About the LS U50
The LS U50 is a versatile utility tractor built for various farm tasks. It has a strong 4WD system and hydrostatic power steering, making it easy to control in different conditions. The tractor uses a synchronized shuttle transmission with 32 gears, giving the operator many options for speed and power. Under the hood, the U50 has a LS S4QL diesel engine with four cylinders. This engine is liquid-cooled and uses indirect injection. It produces 47 hp at 2600 rpm, which is average power for its class. The engine's size is also average, with a displacement of 152.9 ci. The tractor weighs 4303 lb and has agricultural tires front and rear. It's equipped with a three-point hitch at the back, which is useful for attaching various implements. The U50's compact size, measuring 135.2 inches long, 65.7 inches wide, and 102.3 inches tall, makes it suitable for working in tight spaces around the farm.
Full specifications
Recorded specifications
General
| Manufacturer | LS |
|---|---|
| Model | U50 |
| Category | Utility tractor |
| Type | 4x4 MFWD 4WD |
| Operating weight | 4,303lb(1,952 kg) |
Engine
| Make | LS |
|---|---|
| Model | S4QL |
| Power | 47hp(35.05 kW) |
| Cylinders | 4 |
| Displacement | 152.9ci(2.51 L) |
| Bore | 3.46in(87.88 mm) |
| Stroke | 4.06in(103.1 mm) |
Transmission
| Type | Synchronized Shuttle |
|---|
Chassis & drive
| Chassis | 4x4 MFWD 4WD |
|---|---|
| Drive | 4WD |
| Steering | Hydrostatic Power |
Dimensions
| Length | 135.2in(3,434 mm) |
|---|---|
| Width | 65.7in(1,669 mm) |
| Height | 102.3in(2,598 mm) |
| Operating weight | 4,303lb(1,952 kg) |
Closest alternatives
U50 compared with the nearest models by horsepower
By engine horsepower, the nearest utility models to the U50 are the LS K5047 and the LS KR50. The LS K5047 matches it on rated power and weighs 90 lb more. The LS KR50 matches it on rated power and weighs 540 lb less, so it is lighter for its power, which favors PTO and transport work over heavy draft.
| Spec | LS U50 | LS K5047 | LS KR50 |
|---|---|---|---|
| Engine power | 47 hp35 kW | 47 hp35 kW | 47 hp35 kW |
| Operating weight | 4,303 lb1,952 kg | 4,392 lb1,992 kg | 3,759 lb1,705 kg |
| Weight per hp | 92 lb/hp56 kg/kW | 93 lb/hp57 kg/kW | 80 lb/hp49 kg/kW |
| Displacement | 152.9 ci2.51 L | 152.9 ci2.51 L | 152.9 ci2.51 L |
| Cylinders | 4 | 4 | 4 |
| Transmission | Synchronized Shuttle | Sliding gear | Synchronized shuttle |
| Drive | 4WD | 4WD | 4WD |
Calculators
Calculators for the U50
PTO power
About 39 to 42 PTO hp
Estimated from the 47 hp engine rating. The calculator also estimates drawbar power by surface.
Implement sizing
Implements a 47 hp tractor can run
Maximum size is about a 5.5 ft rotary cutter or a 5 ft tiller. The calculator also sizes discs, plows and balers.
Ballast
106 lb per PTO hp as listed
Heavy draft work calls for 120 to 135 lb/hp. The calculator gives the ballast to add.
Units
47 hp is 35.0 kW
The converter gives kW and metric PS values, as used on European spec sheets.
Category medians
U50 vs. Utility median
LS U50 compared with other Utility tractors
| Spec | This model | Utility median | Difference | Percentile |
|---|---|---|---|---|
| Engine Power | 47 hp | 55 hp | -15% | 41st |
| Engine Displacement | 153 ci | 183 ci | -16% | 40th |
| Cylinders | 4 | 4 | at median | 50th |
| Operating Weight | 4,303 lb | 5,303 lb | -19% | 41st |
| Length | 135 in | 137 in | -1% | 48th |
| Width | 65.7 in | 66 in | 0% | 50th |
| Height | 102 in | 94.1 in | +9% | 71st |
Medians and percentiles are calculated from the utility tractors in the database that have a recorded value for each specification (sample size 3,933–5,720 models).
Same manufacturer
Other LS models
Other manufacturers
Models with similar horsepower
Gallery
LS U50 photos
FAQ
Frequently asked questions
What is the engine power output of the LS U50?
Rated engine output for the LS U50 is 47 hp, delivered by a 4-cylinder engine. The engine displaces 152.9 ci.
Which transmission does the LS U50 use?
The LS U50 is equipped with a Synchronized Shuttle transmission.
What three-point hitch category does the LS U50 use?
The LS U50 has a Category I three-point hitch.
What is the operating weight of the LS U50?
The LS U50 has an operating weight of about 4,303 lb.
How do I maintain a LS U50?
Routine service for the LS U50 covers engine oil and filter changes, hydraulic and coolant level checks, air filter cleaning, and scheduled inspections. Refer to the manufacturer's maintenance schedule for exact intervals.