Need the exact OEM replacement numbers for your 2001 Yanmar rubber crawler carrier? This 155-page Yanmar C50R-3 parts catalog PDF (OEM #0CK30-M38102EN) breaks down every component for the C50R-3 and C50R-3A variants. Inside, you get highly detailed exploded views of the track rollers, travel motors, HST pump units, and cabin assemblies. Open to any system and find complete factory parts lists with interchangeability marks, effective machine numbers, and clear hardware identification. Verify the truck roller plug size is exactly PT 1/4, or match the correct Yanmar New Permanent Yellow 2 paint code (2J) for units starting at serial M41945. Ordering the wrong component kills your shop's uptime. Grab this bookmarked file instantly, pull it up on your phone, and get the right parts on order today.
What's Inside This Yanmar C50R-3, C50R-3A Parts Manual
| System | Pages | Key Topics |
|---|---|---|
| Reference Materials | 2-6 | Ref. No., Lev. (Level), Interchangeability Mark, Effective Machine No., Remarks Mark |
| Frame | 10-11 | - |
| Frame(Turning) | 12-13 | - |
| Crawler Belt | 14 | - |
| Carrier Roller | 15 | - |
| Truck Roller | 16 | - |
| Idler | 17 | - |
| Truck Adgusta | 18 | - |
| Travel Device | 19 | - |
| Turning Bearing | 20 | - |
| Swivel Joint | 21 | - |
| Turning Frame | 22 | - |
| Turning Device | 23 | - |
| Travel Lever | 24-25 | - |
| Travel Lever Piping | 26 | - |
| Dump & Turning Lever | 27 | - |
| Engine & Related Device(1) | 28 | - |
| Engine & Related Device(2) | 29-30 | - |
| Engine & Related Device(3) | 31 | - |
| Control Box | 32-33 | - |
| Engine Control | 34 | - |
| Electric Part | 35 | - |
| Battery(C50R-3) | 36-37 | - |
| Battery(C50R-3A) | 38-39 | - |
| Vessel Center Lamp | 40 | - |
| Head Light | 41 | - |
| Back Light | 42 | - |
| Turn Signal Lamp | 43 | - |
| Radio | 44 | - |
| Wind Washer | 45 | - |
| Back Buzzer | 46 | - |
| Grease Piping | 47 | - |
| Valve | 48-49 | - |
| Valve(Turning) | 50-51 | - |
| Hyd.Oil Piping(1) | 52 | - |
| Hyd.Oil Piping(2) | 53 | - |
| Hyd.Oil Piping(1)(Turning) | 54 | - |
| Hyd.Oil Piping(2)(Turning) | 55 | - |
| Turning Dump Piping | 56 | - |
| Pump Driving | 57-58 | - |
| Hyd. Oil Tank | 59 | - |
| Hyd. Oil Tank(Turning Spec) | 60 | - |
| Fuel Oil Tank(C50R-3) | 61-62 | - |
| Fuel Oil Tank(C50R-3A) | 63-64 | - |
| Cover(1) | 65-66 | - |
| Cover(2)(To M40562) | 67-68 | - |
| Cover(2)(From M40563) | 69-70 | - |
| Cover(2)(Ep) | 71 | - |
| Cover(3)(Side Cover:Left) | 72 | - |
| Balustrade | 73 | - |
| Back Mirror | 74 | - |
| Floor(To M40562) | 75 | - |
| Floor(From M40563) | 76 | - |
| Seat(Over Sae) | 77 | - |
| Seat(Component Part)(Over Sae) | 78 | - |
| Seat(Japan) | 79 | - |
| Cabin(1) | 80 | Assy, Bolt M12X 30, Spring Washer 12, Washer 12, Sponge, Plate |
| Cabin(2) | 81 | Guard, Sash Assy, Glass, Lock Assy, Strip, Weather, Screw |
| Cabin(3) | 82-83 | Wire Harness, Stopper, Plate, Seal, Spring, Cover |
| Cabin(4) | 84 | Sash Assy, Glass, Seal, Plate, Roller, Shim |
| Cabin(5) | 85 | Door Assy, Hinge, Glass, Cover, Plate, Rod |
| Canopy | 86 | Flame, Handrail, Room Mirror, Pivot, Bolt M 8X 16, Spring Washer |
| Heater(1) | 87-88 | Assy, Cover Assy, Urethane, Bracket, Damper Assy, Nipple, Hose |
| Heater(2) | 89 | Cover Assy, Sponge, Acoustic Absorbent, Insulator, Rubber, Plate |
| Defroster | 90 | Louver, Hose, Cuffs, Cable, Pipe, Seal |
| Cooler(1) | 91 | Hose, Tube, Spiral |
| Cooler(2)(Compressor) | 92 | Bracket, Plate, Pully, Spacer, Compressor, V-Belt |
| Cooler(3)(Condenser)) | 93 | Bracket, Plate, Cover, Band, Condenser, Drier |
| Cooler(4)(Unit)(-M40553) | 94 | Cover, Bracket, Heater, Urethane, Damper Assy, Hose |
| Cooler(4-1)(Unit)(M40554-) | 95 | Cover Assy, Urethane, Hose, Pipe, Plate |
| Cooler(4-2)(Unit)(M40554-) | 96 | Bracket, Cover Assy, Heater, Urethane, Damper Assy, Hose |
| Cooler Bracket | 97 | Bracket, Bolt, Spring Washer, Washer |
| Vessell | 98 | Vessel, Cushion, Lock L, Lock R, Pin, Cylinder Assy |
| Vessell(Turning) | 99 | Vessel, Lock, Cushion, Pipe, Cylinder, Dump |
| Dump Body | 100-101 | HANDLE(LEFT), Gate, Cushion, Lock L, Cylinder Assy |
| Rear Link | 102 | Hook Lever, Spring, Lever Comp., Shaft, Lever, Pin |
| Open and Close Lever | 103 | - |
| Label(Japan) | 104-105 | ASSY(CANOPY), ASSY(CABIN), Model, Warning, Caution, Japan Spec |
| Label(Japan) | 106-107 | ASSY(CANOPY), ASSY(CABIN), Model, Warning, Caution, Japan Spec |
| Label(Turning) | 108 | ASSY(CANOPY), ASSY(CABIN), Model, Warning, Caution, Turning Spec |
| Label(Turning)(2) | 109 | ASSY(CANOPY), ASSY(CABIN), Model, Yanmar, Warning, Caution |
| Label(Ex) | 110-111 | ASSY(CANOPY), ASSY(CABIN), ASSY(CABINE), Model, Yanmar, Warning |
| Label(Ex) | 112-113 | ASSY(CANOPY), ASSY(CABIN), ASSY(CABINE), Model, Yanmar, Warning |
| Tool | 114 | Kit, Wrench, Driver, Grease Pomp, Bag, Tag |
| Painted Color | 115 | Paint, Deep Green, Yanmar Navy Gray, Spray, New Perm. Yel, Standard |
| Painted Color(Turning) | 116 | Paint, Deep Green, Yanmar Navy Gray, Spray, New Perm. Yel, Turning Spec |
| Control Valve(4-Range) | 117 | Valve Assy, CONTROL(4, Nut, Rod, Tie, Block ASSY(1), Housing, Outlet, Main Relife Valve |
| Control Valve(2-Range) | 118 | Valve Assy, CONTROL(2, Nut, Rod, Tie, Block ASSY(1), Housing, Outlet, Main Relife Valve |
| Block(1) | 119 | - |
| Block(2) | 120 | - |
| Block(3) | 121 | - |
| Block(4) | 122 | - |
| Remote Control Valve | 123 | - |
| Auto Tension Valve | 124 | - |
| Solenoid Valve(1-Range) | 125 | - |
| Solenoid Valve(2-Range) | 126 | - |
| Depression Valve | 127 | - |
| Swivel Selector | 128 | - |
| Swivel Joint | 129 | - |
| Dump Cylinder | 130 | - |
| 100.Dump Cylinder(Turning) | 131 | - |
| 101.Truck Shoe Cylinder | 132 | - |
| 102.Travel Motor | 133-134 | - |
| 103.Turning Motor | 135-136 | - |
| 104.Hyd. Oil Pump | 137-138 | HST Pump, Seal Set, Bearing Assy, Ring, Retaining, Valve, O-Ring |
| 105.Gear Pump | 139 | - |
| 106.Safety Label | 140 | Label, Warning, Caution, Danger |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| C50R-3 (M40503~M41709) | ||
| Yanmar Deep Green Color Code | 82 | p. 134 |
| C50R-3 (M41710~) | ||
| Yanmar Navy Gray Color Code | 49 | p. 24 |
| C50R-3 (M40503~M41944) | ||
| Yanmar New Permanent Yellow Color Code | 87 | p. 4 |
| C50R-3 (M41945~) | ||
| Yanmar New Permanent Yellow 2 Color Code | 2J | p. 3 |
| All Models | ||
| Truck Roller Plug Size | PT 1/4 | p. 16 |
| Travel Lever Bolt Size | M10X30 | p. 24 |
| Solenoid Valve Shim Thickness (2-range) | T=0.5 | p. 126 |
| Pump Driving Spring Pin Size | 5X 10 | p. 57 |
| Dump Cylinder (Turning) Ball Size | 5/32 | p. 131 |
| Truck Shoe Cylinder Wearing Size | SW-63.57.16 | p. 132 |
Yanmar C50R-3, C50R-3A Common Problems This Manual Covers
Yanmar C50R-3 rubber track derailment or premature track wear in muddy conditions p. 16
Inspect the exploded view on page 16 for truck roller components. Locate the correct replacement part numbers for worn rollers. Verify you are ordering the correct PT 1/4 size plugs for the roller assemblies before replacing the damaged hardware.
Manual Section: Truck RollerUnresponsive travel controls or a loose lever assembly during normal carrier operation p. 24
Check the travel lever assembly diagram on page 24 to identify missing or sheared hardware. Find the exact part number for the required M10X30 mounting bolts. Cross-reference the lever components with your machine serial number to order correct replacements.
Manual Section: Travel LeverErratic hydraulic response requiring identification of specific 2-range solenoid valve replacement parts p. 126
Review the solenoid valve exploded view on page 126 to pinpoint internal wear parts. Locate the specific part number for the required T=0.5 thickness shims. Order the complete replacement shim kit and the necessary O-rings to rebuild the 2-range valve block.
Manual Section: Solenoid Valve(2-Range)Complete loss of hydraulic power pointing to sheared or heavily worn pump drive components p. 57
Examine the pump driving parts list on page 57 to find exact replacement couplings. Identify the correct part number for the 5X 10 size spring pins. Match these pins and the main drive gear to your specific serial number before ordering.
Manual Section: Pump DrivingFrequently Asked Questions
How do you fix yanmar C50R-3 rubber track derailment or premature track wear in muddy conditions?
Inspect the exploded view on page 16 for truck roller components. Locate the correct replacement part numbers for worn rollers. Verify you are ordering the correct PT 1/4 size plugs for the roller assemblies before replacing the damaged hardware.
How do you fix unresponsive travel controls or a loose lever assembly during normal carrier operation?
Check the travel lever assembly diagram on page 24 to identify missing or sheared hardware. Find the exact part number for the required M10X30 mounting bolts. Cross-reference the lever components with your machine serial number to order correct replacements.
How do you fix erratic hydraulic response requiring identification of specific 2-range solenoid valve replacement parts?
Review the solenoid valve exploded view on page 126 to pinpoint internal wear parts. Locate the specific part number for the required T=0.5 thickness shims. Order the complete replacement shim kit and the necessary O-rings to rebuild the 2-range valve block.
How do you fix complete loss of hydraulic power pointing to sheared or heavily worn pump drive components?
Examine the pump driving parts list on page 57 to find exact replacement couplings. Identify the correct part number for the 5X 10 size spring pins. Match these pins and the main drive gear to your specific serial number before ordering.
What do I get after purchasing this Yanmar C50R-3, C50R-3A manual?
Instant PDF download. You get the full 155-page searchable Parts Catalog immediately after payment. Open it on your laptop, tablet, or phone right in the shop.
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