Looking for the exact factory part numbers to overhaul your skid-steer loader? This 122-page Yanmar S270V parts catalog PDF (OEM #0CS10-M56800EN) breaks down every single component from the lift cylinders to the hydrostatic drive motors. You get highly detailed exploded views of the entire machine, showing exactly how the chassis, tandem pump, and ROPS structures fit together. Inside, you will find complete parts lists, component identification diagrams, and cross-references to make ordering replacements completely foolproof. Verify your air filter requires part number 172551-02050, and confirm you need fuel filter 129907-55801 before calling the dealership counter. Stop relying on confusing aftermarket diagrams that cost you time. Bookmarked by assembly and ready for any device, just download the file, pull it up in the parts room, and order exactly what your loader needs to run.
What's Inside This Yanmar S270V Parts Manual
| System | Pages | Key Topics |
|---|---|---|
| Reference Materials | 2 | This Parts Catalog Carries Yanmar Skid-Steer Loader S270V, Parts Catalog History, Parts Catalog No. Published Remarks |
| Chassis | 6-7 | Fig.1. Chassis, Notes |
| Chassis(Hvac Completing) | 8-9 | Fig.1. Chassis, Notes |
| Chassis(Heater-Only Completing) | 10-11 | Fig.1. Chassis, Notes |
| Grille and Engine Cover | 12 | Fig.21. Engine, Governed Engine Speed Specifications, Notes |
| Rops/FOPS Structure | 13-14 | Fig.5. ROPS/FOPS Structure |
| Rops/FOPS Structure(Non-Hvac Assembly) | 15 | Fig.5. ROPS/FOPS Structure |
| Rops/FOPS Structure(Hvac Assembly) | 16 | Fig.5. ROPS/FOPS Structure |
| Rops/FOPS Structure(Cab Door Assembly) | 17-18 | Fig.8. ROPS/FOPS Structure, Notes |
| Rops/FOPS Structure(Cab Door Assembly, Door Completing Package) | 19 | Fig.9. ROPS/FOPS Structure, Notes |
| Restraint Bar | 20 | Fig.10. Restraint Bar |
| Seats - Standard and Suspension(Standard and Air Suspension Seat) | 21 | Fig.11. Seats - Standard and Suspension |
| Seats - Seat Belt Option | 22 | Fig.12. Seats - Seat Belt Option |
| Seats - Three-Point Restraint Seat Belt Option | 23 | No. Lev. Parts No. Description Q'ty I R |
| Lift Arm | 24 | Fig.14. Lift Arm |
| Attachment Bracket(Manual Quick Coupler) | 25 | Fig.15. Attachment Bracket, Notes |
| Attachment Bracket(Actuator Group) | 26 | Fig.16. Attachment Bracket, Notes |
| Attachment Bracket(Hydraulic Quick Coupler, Chassis Components) | 27 | Fig.1. Chassis, Notes |
| Attachment Bracket(Hydraulic Quick Coupler, Lift Arm Components) | 28 | Fig.14. Lift Arm |
| Wheel Drives | 29 | Fig.19. Wheel Drives |
| Wheel Drives(Axle Assembly) | 30 | Fig.20. Wheel Drives, Assembly Notes |
| Engine | 31-32 | Fig.21. Engine, Governed Engine Speed Specifications, Notes |
| Air Cleaner and Exhaust | 33 | Fig.22. Air Cleaner and Exhaust |
| Radiator/Cooler | 34 | Fig.23. Radiator/Cooler |
| Hydrostatic System - Wheel Drives(Single-Speed) | 35 | Fig.19. Wheel Drives |
| Hydrostatic System - Wheel Drives(Two-Speed) | 36 | Fig.19. Wheel Drives |
| Hydraulics - Chassis | 37-38 | Fig.1. Chassis, Notes |
| Hydraulics - Chassis(Standard Auxiliary Hydraulics) | 39 | Fig.1. Chassis, Notes |
| Hydraulics - Chassis(High-Flow Auxiliary Hydraulics) | 40 | Fig.1. Chassis, Notes |
| Hydraulics - Lift Arm(Standard Hydraulics) | 41 | Fig.14. Lift Arm |
| Hydraulics - Lift Arm(High-Flow Hydraulics) | 42 | Fig.14. Lift Arm |
| Controls - Lift/Tilt and Traction(Dual Joystick Controls) | 43 | Fig.31. Controls - Lift/Tilt and Traction |
| Controls - Lift/Tilt and Traction(Hand/Foot Controls) | 44-45 | Fig.32. Controls - Lift/Tilt and Traction |
| Controls - Engine(Dual Joystick Controls) | 46 | Fig.21. Engine, Governed Engine Speed Specifications, Notes |
| Electrical - Chassis | 47 | Fig.1. Chassis, Notes |
| Electrical - Chassis (Rear Light Power Distribution) | 48 | Fig.1. Chassis, Notes |
| Electrical - ROPS/Fops(Rops/FOPS Lighting Harness, Standard) | 49 | Fig.36. Electrical - ROPS/FOPS |
| Electrical - ROPS/FOPS | 50 | Fig.37. Electrical - ROPS/FOPS |
| Electrical - Lights | 51 | Fig.38. Electrical - Lights |
| Electrical - Engine | 52 | Fig.21. Engine, Governed Engine Speed Specifications, Notes |
| Electrical - Engine(High-Flow) | 53 | Fig.21. Engine, Governed Engine Speed Specifications, Notes |
| Tires | 54 | Fig.41. Tires |
| Four-Point Lift Assembly | 55 | Fig.42. Four-Point Lift Assembly |
| Decals(1) | 56 | Fig.43. Decals |
| Decals(2) | 57 | Fig.44. Decals |
| Decals(3) | 58 | Fig.45. Decals |
| Decals(4) | 59 | Fig.46. Decals |
| Decals(5) | 60 | Fig.47. Decals |
| Decals(6) | 61 | Fig.48. Decals |
| Lift Cylinder | 62 | Fig.49. Lift Cylinder |
| Tilt Cylinder | 63 | Fig.50. Tilt Cylinder |
| Drive Motors(Single-Speed) | 64 | Fig.51. Drive Motors |
| Drive Motors(Two-Speed) | 65 | Fig.52. Drive Motors |
| Tandem Pump(Pump) | 66 | Fig.53. Tandem Pump |
| Tandem Pump(Pump / Engine End) | 67 | Fig.21. Engine, Governed Engine Speed Specifications, Notes |
| Tandem Pump(Pump / Gear Pump End) | 68 | Fig.55. Tandem Pump |
| Gear Pump - Single(Standard Auxiliary - Gear Pump) | 69 | Fig.56. Gear Pump - Single |
| Gear Pump - Double(High-Flow Auxiliary - Gear Pump) | 70 | Fig.57. Gear Pump - Double |
| Self-Leveling Valve | 71 | Fig.58. Self-Leveling Valve |
| Solenoid Valves - Brake, Joystick Supply and Brake Release(Single-Speed) | 72 | Fig.59. Solenoid Valves - Brake, Joystick Supply and Brake Release |
| Solenoid Valves - Brake, Joystick Supply and Brake Release(Two-Speed) | 73 | Fig.60. Solenoid Valves - Brake, Joystick Supply and Brake Release |
| Solenoid Valves - Brake, Joystick Supply and Brake Release(Joystick Supply) | 74 | Fig.61. Solenoid Valves - Brake, Joystick Supply and Brake Release |
| Solenoid Valves - Brake, Joystick Supply and Brake Release(Brake Release Sole | 75 | Valve, Brake Release, Body, Pump, Hand, Switch, Manual |
| Main Control Valve(Standard Control Valve) | 76 | Fig.63. Main Control Valve |
| Main Control Valve(High-Flow Control Valve) | 77 | Fig.64. Main Control Valve |
| Proportional Valves(3 Bank Valve, Standard Auxiliary) | 78 | Fig.65. Proportional Valves |
| Proportional Valves(5 Bank Valve, High-Flow Auxiliary) | 79 | Fig.66. Proportional Valves |
| Ride Control Manifold | 80 | Fig.67. Ride Control Manifold |
| Heater Housing and HVAC Housing Assembly | 81 | No. Lev. Parts No. Description Q'ty I R |
| Condensor Assembly | 82 | Fig.69. Condensor Assembly |
| Condensor, Heater Housing and HVAC Housing Assembly(Condensor Housing Assembl | 83 | Fig.70. Condensor, No. Lev. Parts No. Description Q'ty I R |
| Lift Assist Pump and Cylinder | 84 | Fig.72. Lift Assist Pump and Cylinder |
| Lift Assist Pump and Cylinder | 85 | Fig.72. Lift Assist Pump and Cylinder |
| Pump - Hydraulic Quick Coupler | 86 | Fig.73. Pump - Hydraulic Quick Coupler |
| Foot Valve | 87 | Fig.74. Foot Valve |
| Backup Alarm Kit | 88 | Fig.75. Backup Alarm Kit |
| Side Window Kit | 89 | Fig.76. Side Window Kit |
| Rearview Mirror Kit | 90 | Fig.77. Rearview Mirror Kit |
| Cab Door Kit | 91-92 | Fig.78. Cab Door Kit, Notes |
| Cab Door Kit, Door Completing Package | 93 | Fig.78. Cab Door Kit, Notes |
| Am/Fm Radio Kit | 94 | Fig.80. Am/Fm Radio Kit |
| Heater/Defroster Kit | 95-96 | Fig.82. Heater/Defroster Kit |
| Heater/Defroster Kit | 97 | Fig.82. Heater/Defroster Kit |
| Heater/Defroster Kit, Housing Service Parts | 98 | Fig.82. Heater/Defroster Kit |
| Pre-Cleaner Kit | 99 | Fig.84. Pre-Cleaner Kit |
| Pin Electrical Auxiliary Connector Kit | 100 | No. Lev. Parts No. Description Q'ty I R |
| Warning Lamp Kit | 101 | Fig.86. Warning Lamp Kit |
| Rear Wiper Kit | 102 | Fig.87. Rear Wiper Kit |
| Flasher Kit | 103 | Fig.88. Flasher Kit |
| Auxiliary Coupler Service Kits | 104 | Fig.89. Auxiliary Coupler Service Kits |
| Hydraulic Quick Coupler Kit | 105 | Fig.91. Hydraulic Quick Coupler Kit |
| Hydraulic Quick Coupler Kit | 106 | Fig.91. Hydraulic Quick Coupler Kit |
| Parking Brake Release Kit | 107 | Fig.92. Parking Brake Release Kit |
| Four-Point Lift Kit | 108 | Fig.93. Four-Point Lift Kit |
| Counterweight Kit | 109 | Fig.94. Counterweight Kit |
| Single-Point Lift Kit | 110 | Fig.95. Single-Point Lift Kit |
| Impact-Resistant Door Kit | 111 | Fig.96. Impact-Resistant Door Kit |
Every system also includes no. lev. parts no. description q'ty i r and remarks.
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Chassis torque | 105 FT/LBS | p. 6 |
| Wheel Drives torque (lubed hardware) | 280 FT-LBS | p. 29 |
| Fuel Filter replacement part number | 129907-55801 | p. 31 |
| Air Filter replacement part number | 172551-02050 | p. 33 |
| Fresh Air Filter replacement part number | 172551-00010 | p. 8 |
| Hydraulic Hose size | 5/8 X 30 | p. 39 |
| Lift Cylinder Seal Kit replacement part number | 172218-03700 | p. 62 |
| Tilt Cylinder Seal Kit replacement part number | 172218-03670 | p. 63 |
| Starter replacement part number | 129940-77011 | p. 31 |
| Single-Speed Drive Motor R replacement part number | 172217-02500 | p. 64 |
| Single-Speed Drive Motor L replacement part number | 172217-02510 | p. 64 |
| Wheel Drives Torque | 280 FT-LBS | p. 29 |
Yanmar S270V Common Problems This Manual Covers
Yanmar S270V cranks but does not fire and you need the correct replacement fuel filter and starter part numbers p. 31
Inspect the engine parts diagram on page 31 for the complete fuel delivery assembly. Order fuel filter part #129907-55801 to resolve restriction issues. If the starter is weak, replace it with part #129940-77011. Verify compatibility with your specific serial number before ordering any replacement parts.
Manual Section: EngineMain lift arms drift down under load and you need to rebuild the leaking hydraulic lift cylinder p. 62
Check the exploded view for the lift cylinder on page 62. Order replacement seal kit part #172218-03700 for the rebuild. Match the internal components against the diagram to ensure you have all required wear rings and wiper seals before starting the tear down.
Manual Section: Lift CylinderMachine loses drive power on the right side and requires a new single-speed wheel motor p. 64
Review the single-speed drive motors diagram on page 64. Locate the right side drive motor and order replacement part #172217-02500. When installing the new motor, remember that the wheel drives require lubed hardware torqued to exactly 280 FT-LBS as specified on page 29.
Manual Section: Drive Motors(Single-Speed)Auxiliary hydraulic lines are leaking fluid at the chassis connection and the machine has low flow p. 39
Examine the standard auxiliary hydraulics layout on page 39. Identify the leaking 5/8 X 30 hydraulic hose in the diagram and locate its exact replacement number. Before replacing the hose, verify the control valve relief pressure is set to 3200±25 PSI at full throttle.
Manual Section: Hydraulics - Chassis(Standard Auxiliary Hydraulics)Frequently Asked Questions
What are the torque specs for YANMAR S270V wheel nuts?
The torque specification for the YANMAR S270V wheel nuts is 280 FT-LBS. This applies to lubed hardware. Refer to Fig. 19 for an illustration of the wheel drives.
What are the replacement specifications for fuel filters?
The replacement fuel filter for the YANMAR S270V engine is part number 129907-55801. This part is listed as 'FILTER, FUEL' in the engine components section. Refer to Fig. 21 for its location.
How do you fix yanmar S270V cranks but does not fire and you need the correct replacement fuel filter and starter part numbers?
Inspect the engine parts diagram on page 31 for the complete fuel delivery assembly. Order fuel filter part #129907-55801 to resolve restriction issues. If the starter is weak, replace it with part #129940-77011. Verify compatibility with your specific serial number before ordering any replacement parts.
How do you fix main lift arms drift down under load and you need to rebuild the leaking hydraulic lift cylinder?
Check the exploded view for the lift cylinder on page 62. Order replacement seal kit part #172218-03700 for the rebuild. Match the internal components against the diagram to ensure you have all required wear rings and wiper seals before starting the tear down.
What format is this manual in?
A 122-page Parts Catalog in searchable PDF format, available the moment you complete checkout. View on computer, tablet, or phone, with no shipping wait.
Can I print this manual?
No restrictions at all. Print individual pages, full chapters, or the entire manual. The PDF is completely unlocked.












Reviews
There are no reviews yet.