LS tractor XR4150 - User Manual

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LS TRACTOR

OPERATOR'S MANUAL

XR4140 XR4145 XR4150 XR4155

Table of Contents

Questions and Answers

J
Johnny MarquezAug 20, 2025
Why won't the start motor turn on my LS tractor when I turn the key?
- J
  Jill WilsonAug 20, 2025
  The start motor may fail to turn when you turn the key in your LS tractor due to several reasons: the start safety switch may not be contacted, so depress the clutch pedal fully; the PTO switch may not be in the “OFF” position, so place the PTO switch in the “OFF” position; the battery may be discharged, so charge or replace it; the terminal may be loosened, so tighten it; the key switch may have failed, so repair or replace it; or the start motor itself may have failed, so repair or replace it.
B
Bailey HoltAug 22, 2025
What to do if my LS tractor engine overheats?
- B
  billy62Aug 22, 2025
  If your LS tractor engine overheats, it could be due to a lack of engine coolant, in which case you should supplement it. It may also be caused by bad fan belt tension or a broken belt, so adjust the belt tension or replace the belt. Another possible cause is dirt attached to the radiator; in this case, clean the radiator.
C
coxtraceyAug 25, 2025
What to do if the start motor turns but the engine does not start in my LS tractor?
- S
  scott66Aug 25, 2025
  If the start motor turns but the engine doesn't start in your LS tractor, the battery may be weak, so charge or replace it. There may be a bad ground, so tighten the ground. The engine oil may have improper viscosity, so replace the oil with proper viscosity. There could be air in the fuel system, so bleed the air. The fuel filter might be clogged, so wash or replace the filter. There may be an error in the engine body, so repair it. Finally, the fuel cock may be closed, so open the cock.
A
Austin SmithAug 26, 2025
How to troubleshoot low engine power on my LS tractor?
- S
  Sarah HigginsAug 27, 2025
  Low engine power in your LS tractor can stem from several issues: the injection nozzle may be clogged, carbon may be piled to the valve seat, the valve gap may be badly adjusted, there may be bad injection timing. Also, there might be a lack of fuel supply (check the fuel system), or the air cleaner could be clogged, so clean or replace it. In each of these cases, repair the mentioned part.
S
Samantha ClarkAug 28, 2025
Why is the battery charging indicator on during LS tractor operation?
- W
  William GreenAug 28, 2025
  If the battery charging indicator is on during LS tractor operation, it could be due to abnormal wiring, so check the battery terminals and ground, and repair as needed. It may also indicate a fault with the alternator, so repair or replace it; a fault with the battery itself, so replace it; or bad fan belt tension or a broken belt, so adjust the belt tension or replace it.
D
Donna WernerAug 30, 2025
Why is the engine revolution irregular in my LS tractor?
- K
  Kristina RobinsonAug 30, 2025
  Irregular engine revolution in your LS tractor can be caused by several factors: air in the fuel system, so bleed air; a clogged fuel filter, so clean or replace the filter; a clogged injection nozzle, so repair or replace it; fuel leakage, so repair it; or irregular fuel injection, so repair it.
A
alexanderpalmerSep 1, 2025
Why is the exhaust smoke black on my LS tractor?
- K
  Katherine Wallace DDSSep 1, 2025
  Black exhaust smoke from your LS tractor may indicate bad fuel quality, so use good quality fuel. It could also mean there's an oversupply of fuel, or a fault with the nozzle; in both cases, repair the issue.
K
katherine31Sep 3, 2025
What does it mean when the engine oil pressure indicator is ON during LS tractor operation?
- Z
  Zachary FlynnSep 3, 2025
  If the engine oil pressure indicator is ON during LS tractor operation, it could indicate a lack of engine oil, so supplement it. It might also mean the engine oil has low viscosity, so replace it with oil of the proper viscosity. Other potential causes include a warning light switch error, so replace it; a fault with the oil pump, so repair it; or a clogged oil filter element, so replace the element.
H
hgeorgeSep 5, 2025
What to do if my LS tractor engine stops suddenly?
- L
  Lisa RichardsonSep 5, 2025
  If your LS tractor engine stops suddenly during operation, it could be due to fuel shortage, so add fuel and bleed air. It may also be caused by a fault of the nozzle, so repair or replace it, or moving parts failure due to bad lubrication, so repair it.
M
meganwintersSep 7, 2025
What causes white exhaust smoke from my LS tractor?
- K
  Kenneth ChavezSep 7, 2025
  White exhaust smoke from your LS tractor can be caused by a clogged air cleaner, so wash the element. It could also be due to engine oil exceeded, so adjust to the proper level, or a lack of fuel supply, so repair it.

LS tractor XR4150 Specifications

General

Engine Power	47 hp
PTO Power	37.8 hp
Weight	3373 lbs
Lift Capacity	2756 lbs
Hydraulic System	Open Center
Tire Size (Front)	9.5-16
Engine Type	Diesel
Engine	4-cylinder diesel
3-Point Hitch	Category I

Summary

California Proposition 65 Warning

1. General Notices for Safety

1-2. Safety Precautions

Lists essential safety precautions to be read before operating the tractor.

14. Safety Decals

2. Instruction for Safe Operation

2-2. Safety Devices

Explains the function of various safety devices like ROPS and guards.

3. Instruments and Controls

3-1. Instrument Panel and Front Controls

Identifies and explains the main instrument panel and front controls.

3-2. Right-hand Controls and Cabin Pillar (Cabin Type)

3-3. Left-hand Controls (Cabin Type)

3-4. Left; Right-hand Controls (Roll-bar Type)

3-5. Hydraulic System

Explains the operation and components of the tractor's hydraulic system.

4. Operation and Work

4-1. How to Handle New Tractor

Provides initial instructions for handling a new tractor, including checks and break-in.

4-2. Engine Start and Stop

Details the correct procedure for starting and stopping the tractor engine.

4-3. How to Drive and Stop

Explains how to safely drive and stop the tractor.

4-4. Emergency Stop

Details the procedure for performing an emergency stop of the tractor.

4-5. Stopping Tractor

Explains the correct procedure for stopping the tractor after operation.

4-5. Field Operations

Covers various operations performed in the field with the tractor.

5. Lubrication and Maintenance

5-2. Maintenance Chart

Presents a schedule of recommended maintenance tasks and intervals.

5-3. Lubricants and Capacity

Lists recommended lubricants and their capacities for various tractor systems.

5-4. First 50 Hour Check

Details the specific checks and maintenance required after the first 50 hours of operation.

5-5. When the Warning Indicator Lights

5-6. Check Before Starting (Daily Check)

Outlines the daily checks to be performed before operating the tractor.

5-7. Every 50 Hour Check

5-8. Every 100 Hour Check

5-9. Every 300 Hour Check

5-10. Every 500 Hour Check

5-11. Every 1000 hr or 1-Year Check

5-12. Every 1500 hr or 2-Year Check

5-13. Every 3000 hr Check

5-14. General Maintenance (When Required)

5-15. Troubleshooting

Provides solutions for common problems and system failures.

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