This 143-page Yanmar C50R-5, 4TNV94CHT-NTBC parts catalog (OEM #0CK50-M00750EN) covers the complete crawler carrier from track rollers and swivel joints to the full cab and canopy assemblies. Exploded-parts views map every component in the hydraulic pumps, travel motors, and turning devices so you can identify the correct fasteners, O-rings, and seals before ordering. Includes Cab, Canopy, and Turning-Vessel-Spec variants throughout.
What's Inside This Yanmar C50R-5 Parts Manual
| System | Pages | Key Topics |
|---|---|---|
| Reference Materials | 2-5 | - |
| Frame | 9-10 | Washer, Bushing, Under Cover, Plate, Shim, Bolt |
| Frame(Turning Vessel Spec.) | 11-12 | Washer, Under Cover, Plate, Shim, Bolt, Grommet |
| Crawler Belt | 13 | Crawler, Rubber |
| Carrier Roller | 14 | Assy, Shell, Roller, Shaft, Bearing, O-Ring, Bolt |
| Truck Roller | 15 | Assy, Shell, Track Roller, Shaft, Spacer, Seal, Floating, O-Ring |
| Idler | 16 | Assy, Shaft, Cover, Seal, O-Ring, Bolt |
| Truck Adjuster | 17 | Hawk, Pin, Boss, Bolt, Cylinder, Crawler |
| Travel Device | 18 | Nipple, O-Ring, Elbow, Union, Motor, Travel Assy, Sprocket |
| Turning Bearing(Turning Vessel Spec.) | 19 | Seal, Bolt, Washer, Plug |
| Swivel Joint & Accessory(Turning Vessel Spec.) | 20 | Joint Assy, Swivel, Locking, O-Ring, Adapter, Hose |
| Turning Frame & Lock(Turning Vessel Spec.) | 21 | Frame, Bushing, Seal, Lock Pin, Grommet, Pipe |
| Turning Device(Turning Vessel Spec.) | 22 | Turning Motor Assy, Elbow, O-Ring, Union |
| Travel Lever | 23 | Mount Assy, Seat, Valve Mount, Lever L, Travel, Lever R, Grip |
| Travel Lever Piping | 24 | Clamp, Hose, Protective Hose, Protector |
| Dump Lever | 25 | Bracket, Shaft, Lever, Arm, Lock, Control Cable, End, Rod |
| Dump & Turning Lever(Turning Vessel Spec.) | 26 | Bracket, Dump Lever, Control Cable, Spring, Grommet, Shim |
| Engine & Related Device(1/4) | 27 | Intake Hose, Intake Pipe, Water Hose, Engine Ground Cable, Power Band, Rubber Isolator |
| Engine & Related Device(2/4) | 28 | Radiator Hose, Intake Hose, Vinyl Hose, Water Hose, Bracket, Power Band |
| Engine & Related Device(3/4) | 29 | Exhaust Pipe, Engine Foot, Engine Housing, Hose Adapter, Coupling, Lifting Hook |
| Engine & Related Device(4/4) | 30 | RAD/HOC, Shroud, Fan Guard, Rubber Sponge, Isolator, Seal |
| Drain Plug | 31 | Washer |
| Control Box(Canopy) | 32 | Gauge Assy, Cluster, Switch, Starter Switch, Main Harness, Wiring Harness |
| Control Box(Cab) | 33 | Gauge Assy, Cluster, Switch, Starter Switch, Main Harness, Wiring Harness, Cab |
| Control Box(Cab)(Air Conditioner) | 34 | Cover, Gauge Assy, Cluster, Switch, Main Harness, Buzzer, Wiring Harness |
| Electric Part(1/2) | 35 | Turn Signal Lamp, Horn, Working Lamp, Controller, Clamp, Washer, Toothed |
| Electric Part(2/2) | 36 | Wire Harness, Main Harness, Fusible Link, Fuse, Relay, Engine Harness |
| Battery | 37 | Relay, Ground Cable, Cable, Starter, Terminal |
| Turning Vessel Sensor(Turning Vessel Spec.) | 38 | Bracket, Proximity Switch, Wiring Harness, Screw, Washer, Bolt |
| Turn Signal Lamp | 39 | Bracket, Washer, Spring, Bolt, Beacon |
| Window Washer | 40 | Washer Tank, Bracket, Screw, Clamp, Tube, Colgate Tube |
| Back Buzzer | 41 | Buzzer, Spring Washer, Washer, Spring, Bolt |
| Grease Piping(Turning Vessel Spec.) | 42 | - |
| Valve & Accessory | 43-44 | - |
| Valve & Accessory(Turning Vessel Spec.) | 45-46 | - |
| Hydraulic Piping(1/2) | 47 | - |
| Hydraulic Piping(2/2) | 48 | - |
| Hydraulic Piping(1/2)(Turning Vessel Spec.) | 49 | - |
| Hydraulic Piping(2/2)(Turning Vessel Spec.) | 50 | - |
| Turning Dump Piping(Turning Vessel Spec.) | 51 | - |
| Pump Drive | 52 | Washer, Bushing, Flange, Plug, Elbow, HST Pump |
| Hyd. Oil Tank | 53 | Hydraulic Tank, O-Ring, Strainer, Check Valve, Air Breather, Gauge |
| Fuel Oil Tank | 54 | Fuel Tank, Sender, Fuel Cooler, Ball Valve, Tank Cap, Hose Clip |
| Oil Supply Pump | 55 | Oil Pump Assy, Level Switch, Hose Assy, Power Band, Button Switch, Wiring Harness |
| Tool Box(Without Oil Supply Pump) | 56 | Hexagon Head Plug, Sealing Trim, Seal, Bolt, Washer |
| Cover(1/3)(Cab) | 57 | Front Cover Assy, RH Side Cover, Noise Absorber, Battery Cover Plate, Latch, Non-Slip Sheet |
| Cover(2/3)(Cab) | 58-59 | Bonnet Assy, Door Lock, Insulator, Rear Cover, Soundproofing Cover, Sash Rubber |
| Cover(1/3)(Cab)(Turning Vessel Spec.) | 60 | Front Cover Assy, RH Side Cover, Noise Absorber, Battery Cover Plate, Cab Latch, Non-Slip Sheet, Turning Vessel |
| Cover(2/3)(Cab)(Turning Vessel Spec.) | 61-62 | Bonnet Assy, Front Panel, Key Assy, Handle, Door Lock, Cab Insulator, Turning Vessel |
| Cover(1/3)(Canopy) | 63 | Front Cover Assy, Noise Absorber, Partition Plate Assy, Battery Cover Plate, Hinge, Latch |
| Cover(2/3)(Canopy) | 64-65 | Bonnet Assy, Plate, Key Assy, Handle, Door Lock, Insulator, Canopy |
| Cover(1/3)(Canopy)(Turning Vessel Spec.) | 66 | Front Cover Assy, Noise Absorber, Partition Plate Assy, Battery Cover Plate, Canopy Hinge, Latch, Turning Vessel |
| Cover(2/3)(Canopy)(Turning Vessel Spec.) | 67-68 | Bonnet Assy, Plate, Key Assy, Handle, Door Lock, Insulator, Canopy, Turning Vessel |
| Cover(3/3)(Cab)(Side Cover Left) | 69 | LH Side Cover Assy, Insulator, Plate, Washer, Hexagon Nut, Sponge |
| 109.(53A)Cover(3/3)(Canopy)(Side Cover Left) | 70 | Cover Assy, Side L P, Insulator, Plate, Washer, Hexagon Nut, Heat Insulator |
| Handrail | 71 | (Front), Side, U-Bolt Assy, Bolt, Washer, Nut |
| Back Mirror | 72 | - |
| Floor(Cab) | 73 | - |
| Floor(Canopy) | 74 | - |
| Seat(1/2) | 75 | - |
| Seat(2/2) | 76 | - |
| Cab Mounting | 77 | - |
| Cab(1/5) | 78-79 | - |
| Cab(2/5) | 80-81 | - |
| Cab(3/5)(Front Sash) | 82 | Front Sash Assy, Front Sash, Glass, Seal, Latch, Wiper Motor |
| Cab(4/5)(Front Sash Assist) | 83 | Arm Sub Assy, Bracket, Washer, Shim, Bolt |
| Cab(5/5)(Door) | 84 | Door Assy, Hinge, Glass, Latch, Handle, Lock |
| Canopy | 85 | Frame, Handrail, Room Mirror, Pivot, Bolt, Washer |
| Heater(1/2) | 86-87 | Bracket, Cover, Urethane, Knob, Hose, Ball Valve |
| Heater(2/2) | 88 | Assy, Case, Core, Blower Fan, Motor Assy, Blower Resistor |
| Defroster(Heater) | 89 | Louver, Clamp, Hose, Seal, Cuffs |
| Air Conditioner(1/4)(Compressor) | 90 | Compressor Unit, Compressor Bracket, Compressor, Plate, Washer, V-Belt |
| Air Conditioner(2/4)(Condenser) | 91 | Condenser Unit, Condenser, Drier Assy, Receiver, Hose, Switch, Pressure |
| Air Conditioner(3/4)(Unit-1) | 92 | Unit, Bracket, Insulator, Unit Cover, Filter, Louver |
| Air Conditioner(3/4)(Unit-2) | 93 | Unit, Clip, Hose, Valve, Nipple, Wiring Harness |
| Air Conditioner(4/4)(Unit) | 94 | Unit, Evaporator Assy, Core Assy, Heater, Motor, A/C Switch |
| Defroster(Air Conditioner) | 95 | Louver, Clamp, Hose, Band, Seal |
| Vessel | 96 | Cushioning Material, Lock, Pin, Plate, Dump Cylinder |
| Vessel(Turning Vessel Spec.) | 97 | Lock, Cushioning Material, Pipe, Hose, Dump Cylinder |
| Dump Body(Drop Side Gate Body) | 98 | Handle, Side Gate, Lever, Dump Cylinder, Shim |
| Rear Link | 99 | Lever, Bush, Lever Shaft, Hook Lever, Yoke, End Rod |
| Limit Sensor | 100 | Plate Assy, Lever, Limit Switch, Washer, Bolt, Wiring Harness |
| Label(1/2) | 101 | Kit, Design Decal, Identification Plate, Accelerator Decal, Emblem, Operation Lever |
| Label(2/2) | 102 | Kit, Safety Decal, Operation Instruction Label, Warning Label, Caution Plate, Emblem |
| Control Valve(2-Blocks) | 103 | Valve Control, Rod Tie, Housing Inlet, NO.1 Block Assy, Relief Valve Assy, Valve Relief |
| Control Valve(3-Blocks) | 104 | Valve Control Swing, Rod Tie, Housing Inlet, NO.1 Block Assy, NO.2 Block Assy, Relief Valve Assy |
| Inlet Housing(2-Blocks) | 105 | Housing Inlet, O-Ring, Washer, Plate, Screw, Plug Assy |
| Inlet Housing(3-Blocks) | 106 | Housing Inlet, O-Ring, Cap, Bolt, Filter, Plug Assy |
| Block(1)(2, 3-Blocks) | 107 | NO.1 Block Assy, NO.2 Block Assy, O-Ring, Seal, Dust, Plunger |
| Block(2) | 108 | NO.1 Block Assy, O-Ring, Seal, Dust, Plunger, Plug |
| Remote Control Valve | 109 | Seal Kit, Packing, O-Ring, Push Rod, Camshaft |
| Auto Tension Valve | 110 | Auto Tenshon Valve, Plunger, Spring, Plug, O-Ring, Valve Assy |
| Solenoid Valve(1-Blocks) | 111 | Bolt |
| Solenoid Valve(2-Blocks) | 112 | Valve, Solenoid, Spring, Set Screw, Plug, O-Ring, Band |
| Swivel Selector | 113 | Valve, Selector, Seal Set, O-Ring, Shaft, Rotor, Cover |
| Swivel Joint | 114 | Joint Assy, Swivel, Seal Set, Seal, Dust, O-Ring, Backup Ring, Hub |
| Dump Cylinder | 115 | - |
| Dump Cylinder(Turning Vessel Spec.) | 116 | - |
| Truck Shoe Cylinder | 117 | - |
| Travel Motor(1/3) | 118 | - |
| Travel Motor(2/3) | 119 | - |
| 100.Travel Motor(3/3) | 120 | - |
| 101.Turning Motor(1/2) | 121 | - |
| 102.Turning Motor(2/2) | 122 | - |
| 103.Hydraulic Pump(1/5) | 123 | - |
| 104.Hydraulic Pump(2/5) | 124 | - |
| 105.Hydraulic Pump(3/5) | 125 | - |
| 106.Hydraulic Pump(4/5) | 126 | - |
| 107.Hydraulic Pump(5/5) | 127 | - |
| 108.Gear Pump | 128 | - |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Bolt size | M8X20 | p. 9 |
| Washer size | Spring 8 | p. 9 |
| O-Ring size | 1BP11.0 | p. 18 |
| Pin size | Spring 8.0X36 | p. 23 |
| Clamp size | Hose 70 | p. 95 |
| Ring size | 42 | p. 121 |
Yanmar C50R-5 Common Problems This Manual Covers
Need replacement hardware part numbers for Yanmar C50R-5 under cover plate after bottoming out p. 9
Inspect the chassis parts diagram on page 9 to find the correct hardware for the under cover. Locate the M8X20 bolt size and corresponding Spring 8 washer size in the itemized list. Note the exact quantity required for the plate assembly before placing your final parts order.
Manual Section: FrameLeaking hydraulic fluid from the travel motor nipple union and cannot identify the correct seal p. 18
Review the travel device assembly diagram on page 18. Identify the exact 1BP11.0 O-Ring size required for the motor union. Match the reference number in the diagram to the parts index to ensure you order the correct replacement seal for the drive system.
Manual Section: Travel DeviceBroken control grip mount and need the exact retaining pin dimensions to rebuild the assembly p. 23
Pull up the travel lever schematic on page 23. Find the Spring 8.0X36 pin size used in the valve mount assembly. Verify the related seat and bracket part numbers in the parts table to successfully rebuild the entire directional control lever mechanism.
Manual Section: Travel LeverSheared dump cylinder lock pin hardware during heavy load dumping and need replacement fasteners p. 96
Check the vessel component breakdown on page 96. Locate the specific M10X90 bolt size needed for the dump cylinder locking mechanism. Cross-reference the cushioning material and pin part numbers in the adjacent table to complete your heavy machinery repair order.
Manual Section: VesselFrequently Asked Questions
How do you fix need replacement hardware part numbers for Yanmar C50R-5 under cover plate after bottoming out?
Inspect the chassis parts diagram on page 9 to find the correct hardware for the under cover. Locate the M8X20 bolt size and corresponding Spring 8 washer size in the itemized list. Note the exact quantity required for the plate assembly before placing your final parts order.
How do you fix leaking hydraulic fluid from the travel motor nipple union and cannot identify the correct seal?
Review the travel device assembly exploded-parts diagram on page 18. Identify the exact 1BP11.0 O-Ring size required for the motor union. Match the reference number in the diagram to the parts index to ensure you order the correct replacement seal for the drive system.
How do you fix broken control grip mount and need the exact retaining pin dimensions to rebuild the assembly?
Pull up the travel lever piping diagram on page 23. Find the Spring 8.0X36 pin size used in the valve mount assembly. Verify the related seat and bracket part numbers in the parts table to successfully rebuild the entire directional control lever mechanism.
How do you fix sheared dump cylinder lock pin hardware during heavy load dumping and need replacement fasteners?
Check the vessel component exploded-parts breakdown on page 96. Locate the specific M10X90 bolt size needed for the dump cylinder locking mechanism. Cross-reference the cushioning material and pin part numbers in the adjacent table to complete your heavy machinery repair order.
Is this Yanmar C50R-5, 4TNV94CHT-NTBC Parts Catalog a digital download?
This is a 143-page searchable PDF ready for immediate download. Works on any device, so pull it up on your phone while you are under the hood. No shipping, no waiting.
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