CAT Caterpillar Excavator Pin Sizes

All sizes are in mm

Excavator Size Model Front Pins Rear Pins Pin Centre (B) Front Ears Width (C) Rear Ears Width (C) Pin Size (A)
1-4T 301.5 301.8 30 30 115 105 105 30
302.5 35 35 165 135 135 35
303.5 40 40 200 136 136 40
5T 304.5 305CR 45 45 260 156 156 45A (270)
306 45 45 263 155 155 45A (270)
307 45 45 306 186 186 45A (270)
416 B 50 45 321 257 208 45B (340)
432D HRL 50 45 345 256 206 45B (340)
432E HRL 50 45 345 256 206 45B (340)
445D HRL 50 45 345 256 206 45B (340)
8-10T 308D 50 50 305 186 186 50A (310)
310 60 60 430 215 215 60
446 60 60 370 214 214 60B (370)
13-15T 311 & 312 & 313 65 65 407 221 221 65B (410)
315 315B with 65mm pin 65 65 410 280 280 65B (410)
315 315B with 70mm pin 70 70 463 280 280 70
20T 320 80 80 445 311 311 80A (445)
330 BE Link 100 80 586 425 425 80B
30T 324D 90 90 485 351 351 90A (500)
325D 90 90 485 351 351 90A (500)
329D 90 90 485 351 351 90A (500)
330 D Link 90 80 485 385 385 90A (500)
330D & 336D DB Link 100 90 500 385 385 90A (500)
40T 345C TB Link 110 100 587 441 441 100A (570)
350 F-STICK EXCAVATION 100 80 586 441 441 100A (570)
352 TB Link 110 100 587 441 441 100A (570)
375 H-STICK EXCAVATION 130 100 585 551 551 100A (570)
50T Upwards 345ME UB Link 120 110 630 501 501 110A (580)
349DL 110 100 570 446 446 110A (580)
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