Takeuchi TCR50-2 Crawler Dumper Parts Manual (BAA0Z006-0-0) (SN 305400002-)

Out on sites, this TCR50-2 crawler dumper’s usually slogging through mud, soft fill, and half-finished roads, hauling spoil or stone where a truck would just sink. This parts manual helps you trace every assembly down to the tiny clips and seals, so when something breaks, you can actually order the right piece the first time. Picture this: you’re halfway through a final drive tear-down, two similar snap rings on the bench, dealer’s asking which one—this is the book that lets you isolate the exact part without guessing.

Applications & Use Cases

• Track down correct part numbers by tracing exploded views from the whole dumper down to individual washers and snap rings.
• Verify what’s included in an assembly so you don’t order a full kit when you only need one seal or bearing.
• Cross-check old or worn-off tags by routing through section indexes and matching components by location and shape.
• Plan a repair by inspecting related parts on the same page, so you can order everything you’ll typically disturb in one shot.
• Reduce downtime: test your diagnosis, then use the manual to isolate likely failure parts before you call the dealer.

FAQ

Q: Is this a searchable PDF or just page images?

A: It’s usually a standard PDF; most folks can search part numbers and print sections, but I’d still bookmark key pages.

Q: Can I print just the bits I need for the jobsite?

A: Yes, that’s how most techs run it—print the section, toss it in a plastic sleeve, and keep the laptop out of the mud.

Safety Note

Always bleed off hydraulic pressure and verify the dumper is blocked and secured before you start pulling any components listed in this manual.

Takeuchi TCR50-2 Crawler Dumper Index:

MAIN FRAME & CONTROL LEVEL 1
FRAME (305400002-305400414)-1 2
FRAME (305400002-305400414)-2 6
FRAME (305400415-)-1 10
FRAME (305400415-)-2 12
FRAME (305400415-)-3 16
SWING FRAME & LOCK 20
SLEWING DEVICE 22
VALVE BRACKET (R.H.) 24
VALVE BRACKET (L.H.) 26
PIPING; OPERATION LEVER (305400002-305400414) 30
PIPING; OPERATION LEVER (305400415-) 32
ENGINE & ELECTRICAL SYSTEMS 34
ENGINE & ACCESSORIES (1/4) (with air conditioner)-1 35
ENGINE & ACCESSORIES (1/4) (with air conditioner)-2 40
ENGINE & ACCESSORIES (1/4) (with air conditioner)-3 44
ENGINE & ACCESSORIES (2/4) (with air conditioner) 48
ENGINE & ACCESSORIES (3/4) (with air conditioner) 50
ENGINE & ACCESSORIES (4/4) (with air conditioner) 52
CONTROL BOX (R.H.) 54
CONTROL BOX (L.H.) 56
FOOT ACCELERATOR 58
SWITCH 60
DISPLAY 62
ELECTRICAL (1/5) 64
ELECTRICAL (2/5)-1 66
ELECTRICAL (2/5)-2 70
ELECTRICAL (3/5) 74
ELECTRICAL (4/5) 76
ELECTRICAL (5/5) 78
HYDRAULIC PIPING & TANK 80
GREASE PIPING 81
VALVE & ACCESSORIES-1 84
VALVE & ACCESSORIES-2 90
PIPING; UPPER-1 92
PIPING; UPPER-2 94
PIPING; UPPER-3 96
PIPING; SWING & DUMP 98
PUMP DRIVE 100
HYDRAULIC TANK 103
FUEL TANK & FUEL PIPING (305400002-305400414)-1 108
FUEL TANK & FUEL PIPING (305400002-305400414)-2 110
FUEL TANK & FUEL PIPING (305400415-)-1 114
FUEL TANK & FUEL PIPING (305400415-)-2 116
FUEL SUPPLY PUMP (305400002-305400414) 120
FUEL SUPPLY PUMP (305400415-) 124
COVER & CAB 128
REARVIEW CAMERA 129
BATTERY 132
RADIO 135
RADIO (DAB) 138
WINDOW WASHER 140
VESSEL SENSOR 142
REAR BUZZER 144
GPS DEVICE 146
CAB LIGHT (LED type) 148
TOOL BOX (without fuel supply) 150
COVER (1/2)-1 152
COVER (1/2)-2 158
COVER (2/2) (side cover) 164
FLOOR PLATE 166
SEAT (1/2) (305400002-305400414) 168
SEAT (1/2) (305400415-) 170
SEAT (2/2) 172
HANDRAIL 174
REAR VIEW MIRROR 176
CAB MOUNT 178
CAB (1/5)-1 180
CAB (1/5)-2 189
CAB (1/5)-3 199
CAB (2/5) (front sash) 209
CAB (3/5) (front sash assist) 212

CAB (4/5) (door) 214
CAB (5/5) (side sash) 216
BEACON SOKET (with back light) 218
BEACON SOKET 220
DEFROSTER 222
AIR CONDITIONER (1/4) (compressor) 224
AIR CONDITIONER (2/4) (condenser) 226
AIR CONDITIONER (3/4) (air conditioner unit-1)-1 228
AIR CONDITIONER (3/4) (air conditioner unit-1)-2 230
AIR CONDITIONER (4/4) (air conditioner unit-2) 234
VESSEL 236
LIMIT SWITCH 240
DECAL & TOOL 242
DECAL (English)-1 243
DECAL (English)-2 248
DECAL (English)-3 252
DECAL (GPS) 256
PAINTED COLOR 258
HYDRAULIC DEVICE 260
SWIVEL JOINT 261
CONTROL VALVE 264
INLET HOUSING 266
BLOCK ASSY; No. 1 268
BLOCK ASSY; No. 2 270
SOLENOID VALVE; 1 BLOCK 272
SOLENOID VALVE; 3 BLOCKS 274
PILOT VALVE (R.H.) 276
PILOT VALVE (L.H.) 278
AUTO-TENSION VALVE 280
DUMP CYLINDER 282
TENSIONING CYLINDER 284
TRAVEL MOTOR (1/3) (reduction sec.) 286
TRAVEL MOTOR (2/3) (motor sec.) 288
TRAVEL MOTOR (3/3) (valve sec.) 292
SLEW MOTOR (1/2) (reduction sec.) 294
SLEW MOTOR (2/2) (motor, valve sec.) 296
HYDRAULIC PUMP (1/5) 300
HYDRAULIC PUMP (2/5) 302
HYDRAULIC PUMP (3/5) 304
HYDRAULIC PUMP (4/5) 306
HYDRAULIC PUMP (5/5) 308
GEAR PUMP 310
ENGINE – YANMAR 4TNV94FHT-NTBC SN 305400002- 312
Fig1.CYLINDER BLOCK 313
Fig2.GEAR HOUSING 316
Fig3.FLYWHEEL HOUSING & OIL SUMP 318
Fig4.CYLINDER HEAD & BONNET 320
Fig5.SUCTION MANIFOLD 326
Fig6.EXHAUST MANIFOLD 328
Fig7.ATD UNIT (DPF/SCR) 332
Fig8.CAMSHAFT & DRIVING GEAR 336
Fig9.TURBINE 338
Fig10.CRANKSHAFT & PISTON 340
Fig11.LUB. OIL SYSTEM 342
Fig12.LUB. OIL PIPE 344
Fig13.COOLING WATER SYSTEM 346
Fig14.FUEL SUPPLY PUMP 350
Fig15.FUEL INJECTION VALVE 352
Fig16.FUEL PIPE 354
Fig17.STARTER MOTOR 356
Fig18.GENERATOR 358
Fig19.ELECTRONIC CONTROL UNIT (ECU) 360
Fig20.ELECTRONIC CONTROL UNIT (DCU) 362
Fig21.ELECTRIC PARTS 364
Fig22.ACCESSORY (1) 366
Fig23.ACCESSORY (2) 368
Fig24.ACCESSORY (3) 370
Fig25.GASKET SET & TOOL 372
KITS, ATTACHMENTS & QUICK REFERENCE (TCR50-2) 376
BLOCK HEATER 377
RECOMENDED PARTS LIST (TCR50-2) 380

Takeuchi