Finding the exact replacement component is simple when you open this 147-page Yanmar As Parts Catalog PDF (OEM #0CS10-M55100EN) covering the C50R-3C Crawler Carrier. You get highly detailed exploded views of the entire machine, from the travel motors and undercarriage track rollers to the main hydraulic pump. Open up to page after page of clear illustrations breaking down the cab, chassis, and drivetrain assemblies with factory part numbers so you know exactly how everything fits together. Verify the electrical system takes a 45A fusible link, and confirm you are ordering the correct 1BG40.0 O-ring for the control valve before calling the dealer. Wrong parts cost you money. Download the file, use the built-in bookmarks to jump straight to your specific system, and get the right hardware on the first try.
What's Inside This Yanmar C50R-3C Parts Manual
| System | Pages | Key Topics |
|---|---|---|
| Reference Materials | 2-5 | Preface, Parts Catalog History, Model Name |
| Frame | 9-10 | Bushing, Dust Seal, Cover, Plate, Spring, Cap, Bumper, Oil Sump Cover |
| Frame(Turning) | 11-12 | Cover, Plate, Spring, Cap, Bumper, Oil Sump Cover, Motor Cover, Step |
| Crawler Belt | 13 | - |
| Carrier Roller | 14 | Roller Shell, Shaft, Collar, Plate, Seal Cover, Seal, Ring, Hex.bolt 11T 10X14 |
| Truck Roller | 15 | Track Roller Assy, Track Roller Shell, Shaft, Plate, Spacer, Bracket Assy, Bushing, Dust Seal |
| Idler | 16 | Idler Assy, Idler Shell, Shaft, Seal Cover, Flat Bar, Plate, Taper Roller Bearing, Floating Seal |
| Truck Adgusta | 17 | Hawk, Boss, Crawler Cylinder, Pin |
| Travel Device | 18 | Sprocket, Travel Assy Motor, Hex.bolt 11T 16X35, Nipple, Elbow, Union |
| Turning Bearing | 19 | Swing Bearing Assy, Seal, Hex.bolt 11T 16X85, Bolt |
| Swivel Joint | 20 | Stopper, Hose Adapter, Tee, Elbow, Union, Swivel Joint Assy |
| Turning Frame | 21 | Swing Frame, Bushing, Dust Seal, Cover, Plate, Pipe |
| Turning Device | 22 | Hex.bolt 11T 16X50, Elbow, Union, Swing Motor Assy |
| Travel Lever | 23-24 | Seat Mount Assy, Plate a, Valve Mount Assy, Plate B, Cover, Link, Link S, Shaft |
| Travel Lever Piping | 25 | Mid. Press Hose, Tie-Lap, Protector, Plate |
| Dump & Turning Lever | 26 | Lever Bracket, 20X25 Bush, Arm, Lever, Dump Lever Assy, Lever Shaft, Lock Arm, Lock Lever |
| Engine & Related Device(1/3) | 27-28 | Engine Foot Rr, Engine Foot Rl, Bracket, Muffler Bracket a, Muffler Bracket B, Connecting Pipe, Exhaust Cover, Air Intake Hose Assy |
| Engine & Related Device(2/3) | 29 | Air Intake Pipe, Bracket, Pipe Assy, Grommet, Intake Hose, Air Intake Hose C, Radiator Upper Hose, Radiator Hose |
| Engine & Related Device(3/3) | 30 | Radiator Bracket R, Bracket R, Radiator Bracket L, Bracket L, Shroud Assy, Seal, Trim, Sash Rubber |
| Control Box | 31-32 | Cover, Push-Button Switch, Pilot Box Assy, Resistor Assy, Urethane, Main Relay, Starter Switch Assy, Vinyl Hose |
| Electric Part | 33 | Wiring Harness a, Diode, Fusible Link 45A, Wiring Harness B, Wiring Harness C, Horn, Hose Guard, Ecm Assy |
| Battery | 34-35 | Bracket a, Bracket B, Starter Cable, Terminal Cap, Corrugated Tube, Battery Cable, Terminal Cover |
| Vessel Center Lamp | 36 | Bracket a, Bracket B, Switch, Hex.bolt 11T 08X20, Tie-Lap, Ca Relay, Pilot Lamp, Wiring Harness |
| Vessel Sensor | 37 | Plate, Switch Assy, Hex.bolt 11T 08X20, Washer |
| Vessel Sensor(Turning) | 38 | Plate, Switch Assy, Hex.bolt 11T 08X20, Wiring Harness |
| Travel Alarm | 39 | 24V Buzzer, Hex.bolt 11T 06X16, Washer |
| Head Light | 40 | - |
| Back Light | 41 | Plate a, Plate B, Wiring Harness a, Working Lamp, Bulb, Rubber Packing, Hex.bolt 11T 08X12, Tie-Lap |
| Turn Signal Lamp | 42 | - |
| Wind Washer | 43 | Bracket, Nozzle, Grommet, Tie-Lap, Decal B, Wire Harness |
| Back Buzzer | 44 | 24V Buzzer, Hex.bolt 11T 06X16, Washer |
| Grease Piping | 45 | High Pressure Hose, Adapter, Elbow, Grease PT1 Nipple |
| Valve | 46-47 | Cont. Std Valve Assy, Elbow, Control Valve, Solenoid Valve Assy, Union, Plate a, Hex.bolt 11T 06X16, Tee Joint a |
| Valve(Turning) | 48-49 | Cont. Swi Valve Assy, Tee Joint a, Plunger, Elbow, Control Swing Valve, Solenoid Valve Assy, Union, Plate a |
| Hyd.Oil Piping(1/2) | 50 | Mid. Press Hose, Low Press Hose, Suction Hose, Protector |
| Hyd.Oil Piping(2/2) | 51 | High Press Hose, Protector, Mid. Press Hose, Elbow |
| Hyd.Oil Piping(1/2)(Turning) | 52 | Mid. Press Hose, Low Press Hose, Suction Hose, Protector |
| Hyd.Oil Piping(2/2)(Turning) | 53 | High Press Hose, Protector, Mid. Press Hose |
| Turning Dump Piping | 54 | High Press Hose, Mid. Press Hose, Hose Guard, Plate, Hex.bolt 11T 08X20, Protector, Tie-Lap |
| Pump Driving | 55 | Engine Housing, Coupling Assy, Coupling Boss, Flange, Elbow, Adaptor Union a, Bushing, HST Pump |
| Hyd.Oil Tank | 56 | Reservoir Tank, Cover, Hex.bolt 11T 10X16, Tee, P Packing, Check Valve, Suction Strainer, Breather |
| Hyd.Oil Tank(Turning) | 57 | Reservoir Tank, Cover, Hex.bolt 11T 10X16, Elbow, Hose Adapter, Tee, P Packing, Check Valve |
| Fuel Oil Tank | 58-59 | Fuel Tank, Fuel Tank S, Bracket, Fuel Sender, Packing, Tank Cap, Tank Screen, Elbow |
| Cover(1/4) | 60-61 | Cover Assy, Front Assy S Cover, Sash Rubber, Side Assy S Cover, RH S Cover Assy, Acoustic Absorbent, Cover Assy S, Insulator |
| Cover(2/4) | 62-63 | Bonnet Assy, Bonnet Assy S, Acoustic Absorbent, Handle, Lock, Hex.bolt 11T 05X14, Plate, Cleaner Cover Assy |
| Cover(3/4)(Turning) | 64 | Guard Assy, Acoustic Absorbent, Cover Assy, Pump Cover, Hex.bolt 11T 10X16, Sash Rubber, Seal, Grommet |
| Cover(4/4)(Side Cover Lift) | 65 | Cover Assy, Side Assy S Cover, Side LH S Cover, Insulator, Plate, Plate S, Seal, Sash Rubber |
| Balustrade | 66 | Handrail, Side Handrail, U-Bolt, Bolt |
| Rearview Mirror | 67 | Mirror Stay, Holder, Rear View Mirror, Spring, Grease M6F Nipple, Collar |
| Floor | 68 | Floor Plate, Floor Mat a, Rubber Sponge, Floor Mat, Spacer, Rubber, Cover, Non Slip Sheet |
| Seat(1/2) | 69 | Operator Seat, Hex.bolt 11T 08X20, Stopper, Washer |
| Seat(2/2) | 70 | Operator Seat, Slide Rail a Assy, Spring Plate Assy, Rubber Boots, Angle Assy, Link Assy, Damper Assy, Adjuster Assy |
| Cabin(1/6) | 71 | Cabin Assy, Non Slip Sheet, Sponge, Cap |
| Cabin(2/6) | 72 | Cabin, Sash Assy, Door Assy, Guard, Glass, Lock, Weather Strip, Retainer |
| Cabin(3/6) | 73-74 | Wire Harness, Stopper, Plate, Cover, Seal, Spring, Striker, Grommet |
| Cabin(4/6)(Sun Visor) | 75 | Sunvisor, Plate, Screw, Washer |
| Cabin(5/6)(Front Sash) | 76 | Sash Assy, Glass, Seal, Plate, Roller, Plate LH, Plate RH, Grommet |
| Cabin(6/6)(Door) | 77 | Door Assy, Glass, Cover, Plate, Rod, Control Assy, Collar, Seal |
| Canopy | 78 | Canopy Frame, Handrail, Hold Bar, Bar S, Plate, Room Mirror, Pivot, Hex.bolt 11T 06X12 |
| Heater | 79-80 | Heater Assy, Cover Assy, Urethane, Heater Bracket, Heater Cover Assy, Damper Assy, Seal, Bracket a |
| Defroster | 81 | Duct, Louver a, Louver B, Defroster Hose, Cuffs |
| Cooler(1/5)(Compressor) | 82 | Compressor Bracket a, Compressor Bracket B, V-Pulley Assy, Shaft, Cooling Gas, Protect Rubber, Hex.bolt 11T 08X110, Compressor |
| Cooler(2/5)(Condenser) | 83 | Condenser Bracket a, Condenser Bracket B, Collar, Bracket Assy, Air-Con Hose a, Air-Con Hose B, Air-Con Hose C, Condenser |
| Cooler(3/5)(Cooler Unit:1) | 84-85 | Air Conditioner, Defroster, Sponge, Angle, Insulator, Air-Con Unit Bracket, Cover, Air-Con Hose B |
| Cooler(4/5)(Cooler Unit:2) | 86 | Air Conditioner, Cover Assy, Evaporator Assy, Heater Core Assy, Knob, Fan Moter, Thermostat, Water Valve |
| Cooler(5/5)(Cooler Bracket) | 87 | Bracket a, Bracket B, Hex.bolt 11T 12X20, Bolt |
| Vessel | 88 | Scoop-End Vessel, Scoop-End Vessel S, Cushion, Lock LH, Lock RH, Plate, Ring, Elbow |
| Vessel(Reinforce Type) | 89 | Scoop-End Vessel, Scoop-End Vessel S, Cushion, Lock LH, Lock RH, Plate, Ring, Elbow |
| Vessel(Turning) | 90 | Scoop-End Vessel, Scoop-End Vessel S, Lock, Cushion, Pipe, Plate, High Press Hose, Collar |
| Dump Body | 91-92 | Dump Body S, Handle, Handle S, Gate, Side Gate S, Rear Gate S, Cushion |
| Rear Link | 93 | Lever, Spring Assy, 20X20 Bush, Lever Shaft, Plate, Yoke, Seal, Grease M6F Nipple |
| Open and Close Lever | 94 | - |
| Label(1/2) | 95-96 | Model Decal, Brand Decal, Emblem Assy S, Yanmar S Label, Spec. Us Decal, Oil & Water Decal, Control Decal, Warning Dump Decal |
| Label(2/2) | 97-98 | Model Decal, Brand Decal, Emblem Assy S, Yanmar S Label, Spec. Us Decal, Oil & Water Decal, Control Decal, Warning Dump Decal |
| 103.(73A)Safety Label(Canopy) | 99 | Safety Usp Label Kit, No Traction Decal, Care Manual Decal, Label, Warning Step P Decal |
| 104.(73B)Safety Label(Cabin) | 100 | Safety Usc Label Kit, No Traction Decal, Care Manual Decal, Label |
| 105.(73C)Label(Canada)(1/2) | 101 | Canada Kit W Label, Dump Lock Label, Slope Label, Seat Reverse Label, Neutral Label, Alert Label, Seat Reverse C Label, Swing Area Label |
| 106.(73D)Label(Canada)(2/2) | 102 | Canada Kit Label, Dump Lock Label, Slope Label, Seat Reverse Label, Neutral Label, Alert Label, Seat Reverse C Label, Swing Area Label |
| 107.(73E)Safety Label(Canada)(Canopy) | 103 | Dump Lock Label, Slope Label, Neutral Label, Alert Label, Seat Reverse C Label, Swing Area Label, Seat Belt Label, Access Label |
| 108.(73F)Safety Label(Canada)(Cabin) | 104 | Dump Lock Label, Slope Label, Neutral Label, Alert Label, Seat Reverse C Label, Swing Area Label, Seat Belt Label, Access Label |
| Tool | 105 | Tool Kit, 10X12 Spanner, Wrench, Spanner, Tool Bag, Grease Pump, Filter Wrench, Warning Us Tag |
| Painted Color | 106 | - |
| Painted Color(Turning) | 107 | - |
| Control Valve(1-Range) | 108 | Control Valve, Tie Rod, Inlet Housing, No. Block Assy, Plate, Relief Valve Assy |
| Control Valve(2-Range) | 109 | Control Swing Valve, Tie Rod, Inlet Housing, No. Block Assy, Plate, Relief Valve Assy |
| Inlet Housing(1-Range) | 110 | Inlet Housing, Seal Plate, O-Ring, Washer |
| Inlet Housing(2-Range) | 111 | Inlet Housing, Cap, Filter, O-Ring |
| Blok(1)(1,2-Range) | 112 | No. Block Assy, Dust Seal, Seal Plate, Spring Seat, Spring, Cap, Plunger |
| Blok(2) | 113 | No. Block Assy, Dust Seal, Seal Plate, Spring Seat, Spring, Cap, Plunger |
| Remote Control Valve | 114 | Seal Set, Packing, Cover, Grease Cup, Rod, Spring Seat, Piston |
| Auto Tension Valve | 115 | Auto Tenshon Valve, Plunger, Spring, Body, Relief Valve Assy |
| Solenoid Valve(1-Range) | 116 | Solenoid Valve, Spring, Band, Tube, Solenoid |
| Solenoid Valve(2-Range) | 117 | Solenoid Valve, Cover, Spring, Solenoid, Cable, Tube |
| Swivel Selector | 118 | Selector Valve, Seal Set, Thrust Ring, Shaft, Rotor, Cover, Ring |
| Swivel Joint | 119 | Swivel Joint Assy, Seal Set, Dust Seal, Slipper Seal, Backup Ring, Swivel Joint Hub, Shaft, Swivel Flange |
| Dump Cylinder | 120 | Dump Cylinder Assy, Seal Set, Oil Seal, Packing, Back Up T3G85 Ring, Gasket, Tube Assy, Bush |
| Dump Cylinder(Turning) | 121 | Dump Cylinder, Seal Set, Piston Packing, Dust Seal, Backup Ring, Rod Packing, Tube Assy, Bushing |
| Truck Shoe Cylinder | 122 | Crawler Cylinder, Seal Set, Rod Packing, Backup Ring, Dust Seal, Piston Packing, Tube Assy, Piston Rod |
| Travel Motor(1/3) | 123 | Reduction Gear, Seal Set, Floating Seal, Thrust Plate Kit, Holder, Bearing, Housing, Planetary Gear |
| Travel Motor(2/3) | 124 | Seal Set, Oil Seal, Back Up T2P15 Ring, Backup Ring, P Packing, Shaft, Bearing, Swash Plate |
| Travel Motor(3/3) | 125 | Spring Seat, Spring, Flange, Valve Assy, Seal Set, Back Up T2P15 Ring, Backup Ring, Poppet |
| Turning Motor(1/2) | 126 | Reduction Gear Assy, Seal Set, Housing Assy, Thrust Plate a, Holder, Inner Lace, Bearing, Gear |
| Turning Motor(2/2) | 127 | Hydraulic Oil Motor, Seal Set, Cylinder Block Kit, Case, Shaft, Thrust Plate, Collar, Spring |
| Hyd.Oil Pump(1/5) | 128 | Cylinder Block Kit, Swash Plate, Bearing Assy, Gasket, Cover Assy, Plate |
| 129 | Back-Up Ring, Piston Assy, Cover, Gasket |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| O-RING dimension | 1BG40.0 | p. 124 |
| Shim Thickness | 1.0 | p. 9 |
| Grease Nipple Size | PT1/8 | p. 15 |
| Pin Size | 8X15X1.5 | p. 23 |
| Fusible Link Rating | 45A | p. 33 |
| O-Ring Size | 1AP95.0 | p. 46 |
| Packing Size | P 38.0 | p. 56 |
| Clamp Size | 15 | p. 58 |
| Ring Size | 35 | p. 88 |
| Spanner Size | 10X12 | p. 105 |
Yanmar C50R-3C Common Problems This Manual Covers
Need replacement grease fittings for Yanmar C50R-3C truck rollers due to undercarriage wear and seized bearings p. 15
Inspect the exploded view for the truck roller on page 15. Locate the exact part number for the PT1/8 size grease nipple. Cross-reference the item with the parts list to ensure correct fitment. Verify compatibility with your specific serial number range before ordering replacement hardware.
Manual Section: Truck RollerEngine stalls climbing slopes and needs correct fuel line clamp part numbers to fix air leaks p. 58
Check the fuel system parts diagram on page 58. Find the part number for the size 15 clamp to secure the fuel lines. Match the component number to the index to ensure you receive the correct replacement parts to resolve fuel delivery restrictions.
Manual Section: Fuel Oil TankHydraulic fluid leaking from the reservoir requires correct packing and O-ring part numbers for replacement p. 56
Review the hydraulic oil tank diagram on page 56. Identify the part numbers for the P 38.0 size packing and the 1AG125.0 dimension O-ring. Obtain these specific part numbers from the index to ensure a proper seal when replacing worn tank components.
Manual Section: Hyd.Oil TankMachine loses propulsion under heavy load and needs specific O-ring part numbers for the travel motor p. 124
Search the travel motor parts breakdown on page 124. Locate the exact part numbers for the ARP568-262 and 1BP10.0 dimension O-rings. Use these specific component numbers to order the correct seal kits to rebuild the drive motor and restore track power.
Manual Section: Travel Motor(2/3)Frequently Asked Questions
What are the replacement specifications for engine air filter?
For the engine air filter, the replacement elements are available under part numbers 172660-13830 (ELEMENT, Q'ty 1) and 172660-13840 (ELEMENT, Q'ty 1). These are components of the CLEANER ASSY, AIR (Part No. 172660-13860).
What are the replacement specifications for fuel filter?
The fuel filter itself is listed under part number 172660-14390 (FILTER,FUEL, Q'ty 1). For the filter element, the replacement part number is 172660-14520 (ELEMENT, FILTER, Q'ty 1).
How do you fix need replacement grease fittings for Yanmar C50R-3C truck rollers due to undercarriage wear and seized bearings?
Inspect the exploded view for the truck roller on page 15. Locate the exact part number for the PT1/8 size grease nipple. Cross-reference the item with the parts list to ensure correct fitment. Verify compatibility with your specific serial number range before ordering replacement hardware.
How do you fix engine stalls climbing slopes and needs correct fuel line clamp part numbers to fix air leaks?
Check the fuel system parts diagram on page 58. Find the part number for the size 15 clamp to secure the fuel lines. Match the component number to the index to ensure you receive the correct replacement parts to resolve fuel delivery restrictions.
Is this Yanmar C50R-3C & variants Parts Catalog a digital download?
Immediate download of the complete 147-page searchable Parts Catalog. Access it on any device, from a laptop at your desk to a phone in the field.
Is this Yanmar C50R-3C & variants Parts Catalog printable?
Absolutely. No DRM or copy protection. Print the whole manual or just the pages you need. Any home or office printer works.
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