KOMATSU PC300-8 / 29-31 t
Parts for the KOMATSU PC300-8, grouped the way the pump is dismantled
Pick the group you are working on. Every line gives the drawing position number, the catalogue part number, the quantity per set and the pump family it belongs to. This machine's pump family covers 71 catalogue part lines.
Jump to a component group
Main assemblies & options
assemblies and options
8 items
Shaft & coupling group
shaft and coupling
7 items
Set plate, bush & spring
set plate, bush and spring
3 items
Rotor group
rotor group
3 items
Support & seal cover
support and seal cover
3 items
Valve block & casing
valve block and casing
8 items
Plugs & bolts
plugs and bolts
7 items
Servo, stopper & tilting pin
servo and stopper
6 items
Seals
seals
16 items
Nuts, pins & name plate
nuts, pins and name plate
10 items
Units that fit the KOMATSU PC300-8
Full part list for these series
The units that fit this machine belong to the series below. Each series page lists every catalogue position with its number, quantity per set and drawing code.
Parts by group
Position numbers match the exploded drawing on the pump family parts page.
Main assemblies & options - assemblies and options / 8 items
| Pos. | Part name | Part number | Qty/set | Pump family |
|---|---|---|---|---|
| 011 | PISTON ASS'Y | 3853802464 | 2ST | K3V112 / K5V140 |
| 041 | CHECK VALVE ASS'Y | 2953802048 | 2 | K3V112 / K5V140 |
| 042 | CHECK VALVE ASS'Y | 2953802049 | 2 | K3V112 / K5V140 |
| 011 | PISTON ASS'Y K5V140 | 2924530-0424 | 2ST | K3V112 / K5V140 |
| 013 | CYLINDER ASS'Y (R) K3V112 | 2921190-0324 | 1ST | K3V112 / K5V140 |
| 013 | CYLINDER ASS'Y (R) K5V140 | 2924370-0668 | 1ST | K3V112 / K5V140 |
| 014 | CYLINDER ASS' Y( L) K3V112 | 2921190-0325 | 1ST | K3V112 / K5V140 |
| 014 | CYLINDER ASS'Y (L) K5V140 | 2924370-0669 | 1ST | K3V112 / K5V140 |
Shaft & coupling group - shaft and coupling / 7 items
| Pos. | Part name | Part number | Qty/set | Pump family |
|---|---|---|---|---|
| 111 | DRIVE SHAFT(F) | 2933800774 | 1 | K3V112 / K5V140 |
| 111 | DRIVE SHAFT(F) | 2933800982 | 1 | K3V112 / K5V140 |
| 113 | DRIVE SHAFT(R) | 2933800883 | 1 | K3V112 / K5V140 |
| 114 | SPLINE COUPLING | 2953801763 | 1 | K3V112 / K5V140 |
| 123 | ROLLER BEARING | PNUP308R1CS5K | 2 | K3V112 / K5V140 |
| 124 | NEEDLE BEARING | PAJ503518 | 2 | K3V112 / K5V140 |
| 127 | BEARING SPACER | 38800-127A | 4 | K3V112 / K5V140 |
Set plate, bush & spring - set plate, bush and spring / 3 items
| Pos. | Part name | Part number | Qty/set | Pump family |
|---|---|---|---|---|
| 153 | SET PLATE | 29241100-056 | 2 | K3V112 / K5V140 |
| 156 | SPHERICAL BUSH | 2924610-0030 | 2 | K3V112 / K5V140 |
| 157 | CYLINDER SPRING | 2953801769 | 18 | K3V112 / K5V140 |
Rotor group - rotor group / 3 items
| Pos. | Part name | Part number | Qty/set | Pump family |
|---|---|---|---|---|
| 211 | SHOE PLATE | 68710-00-211 | 2 | K3V112 / K5V140 |
| 212 | SWASH PLATE | 2933800813 | 2 | K3V112 / K5V140 |
| 214 | TILTING BUSH | P1R2025125 | 2 | K3V112 / K5V140 |
Support & seal cover - support and seal cover / 3 items
| Pos. | Part name | Part number | Qty/set | Pump family |
|---|---|---|---|---|
| 251 | SUPPORT | 2923800809 | 2 | K3V112 / K5V140 |
| 261 | SEAL COVER(F) | 2943800464 | 1 | K3V112 / K5V140 |
| 271 | PUMP CASING | 2923250-0338 | 2 | K3V112 / K5V140 |
Valve block & casing - valve block and casing / 8 items
| Pos. | Part name | Part number | Qty/set | Pump family |
|---|---|---|---|---|
| 312 | VALVE BLOCK | 2923801021 | 1 | K3V112 / K5V140 |
| 325 | VALVE CASING | 2923230-0012 | 1 | K3V112 / K5V140 |
| 325 | VALVE CASING | 2923230-0032 | 1 | K3V112 / K5V140 |
| 325 | VALVE CASING | 2933800944 | 1 | K3V112 / K5V140 |
| 325 | VALVE CASING | 2933800928 | 1 | K3V112 / K5V140 |
| 312 | VALVE BLOCK | 2923370-0090 | 1 | K3V112 / K5V140 |
| 312 | VALVE BLOCK | 2923370-0080 | 1 | K3V112 / K5V140 |
| 312 | VALVE BLOCK | 2923370-0355 | 1 | K3V112 / K5V140 |
Plugs & bolts - plugs and bolts / 7 items
| Pos. | Part name | Part number | Qty/set | Pump family |
|---|---|---|---|---|
| 401 | SOCKET BOLT | 2953801767 | 8 | K3V112 / K5V140 |
| 406 | SOCKET BOLT | OSBM820 | 4 | K3V112 / K5V140 |
| 466 | VP PLUG | OVP14 | 2 | K3V112 / K5V140 |
| 467 | VP PLUG | OVP34 | 4 | K3V112 / K5V140 |
| 490 | PLUG | PBP116-2403 | 21 | K3V112 / K5V140 |
| 467 | VP PLUG | OVP38 | 4 | K3V112 / K5V140 |
| 468 | VP PLUG | PPU17 | 4 | K3V112 / K5V140 |
Servo, stopper & tilting pin - servo and stopper / 6 items
| Pos. | Part name | Part number | Qty/set | Pump family |
|---|---|---|---|---|
| 532 | SERVO PISTON | 2924490-0050 | 2 | K3V112 / K5V140 |
| 534 | STOPPER(L) | 2925110-318 | 2 | K3V112 / K5V140 |
| 535 | STOPPER(S) | 2953801762 | 2 | K3V112 / K5V140 |
| 530 | TILTING PIN ASS'Y | 2953801989 | 2 | K3V112 / K5V140 |
| 534 | STOPPER(L) K5V140 | 2953801761 | 2 | K3V112 / K5V140 |
| 530 | TILTING PINASS'Y K5V140 | 2925130-0035K | 2 | K3V112 / K5V140 |
Seals - seals / 16 items
| Pos. | Part name | Part number | Qty/set | Pump family |
|---|---|---|---|---|
| 702 | O-RING | OORBG35W | 2 | K3V112 / K5V140 |
| 710 | O-RING | OORBG94 | 1 | K3V112 / K5V140 |
| 717 | O-RING | OORBG145 | 2 | K3V112 / K5V140 |
| 724 | O-RING | OORBP8 | 16 | K3V112 / K5V140 |
| 725 | O-RING | OORBP11 | 4 | K3V112 / K5V140 |
| 732 | O-RING | OORBP18W | 2 | K3V112 / K5V140 |
| 774 | OIL SEAL | PTCV40DLV | 1 | K3V112 / K5V140 |
| 774 | OIL SEAL | PTCV45DLV | 1 | K3V112 / K5V140 |
| 789 | BACK UP RING | OT2BP18 | 2 | K3V112 / K5V140 |
| 792 | BACK UP RING | OT2BG35 | 2 | K3V112 / K5V140 |
| 702 | O-RING | OORBG95 | 2 | K3V112 / K5V140 |
| 710 | O-RING | OORBG95W | 2 | K3V112 / K5V140 |
| 717 | O-RING | OORBG145W | 4 | K3V112 / K5V140 |
| 724 | O-RING | OORBP8W | 18 | K3V112 / K5V140 |
| 725 | O-RING | OORBP11W | 4 | K3V112 / K5V140 |
| 774 | OIL SEAL K5V140 | PTCV55DLV | 1 | K3V112 / K5V140 |
Nuts, pins & name plate - nuts, pins and name plate / 10 items
| Pos. | Part name | Part number | Qty/set | Pump family |
|---|---|---|---|---|
| 806 | NUT | ORNM16 | 2 | K3V112 / K5V140 |
| 808 | NUT | ORNM20 | 2 | K3V112 / K5V140 |
| 824 | SNAP RING | OSR40 | 2 | K3V112 / K5V140 |
| 885 | VALVE PLATE PIN | PJR812 | 2 | K3V112 / K5V140 |
| 886 | SPRING PIN | OSPV614 | 4 | K3V112 / K5V140 |
| 901 | EYE BOLT | OEBM10 | 2 | K3V112 / K5V140 |
| 953 | SET-SCREW | PSSSM1630 | 2 | K3V112 / K5V140 |
| 954 | ADJUST SCREW | 2953801768 | 2 | K3V112 / K5V140 |
| 981 | NAME PLATE | PNPF-2591 | 1 | K3V112 / K5V140 |
| 983 | PIN | OSK2548 | 2 | K3V112 / K5V140 |
Order with confidence
Number first
Send the number stamped on the old part - we map it to the catalogue entry and confirm the configuration.
Single pieces welcome
Accessories can be ordered separately; express, air and sea from Guangzhou.
Written terms
Price, lead time, packing, freight, payment and warranty come together on the quotation.
Fitment lists are compiled from public market data and our parts books, cross-checked against the FLUTEK catalogue dated 2024-11-25. Confirm the exact shaft, regulator and control variant with our team before ordering.