FLUTEK China General Agent Korean-built excavator hydraulics, shipped worldwide
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KOMATSU PC450 / 43-46 t

Parts for the KOMATSU PC450, 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 68 catalogue part lines.

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Pump family structure drawing with the drawing position numbers used in the tables below
Structure drawing of the K5V200DTH family used on this machine. The position numbers in the tables below are the drawing positions on this layout.

Main assemblies & options

assemblies and options

6 items

Shaft & coupling group

shaft and coupling

10 items

Set plate, bush & spring

set plate, bush and spring

4 items

Rotor group

rotor group

3 items

Support & seal cover

support and seal cover

4 items

Valve block & casing

valve block and casing

2 items

Plugs & bolts

plugs and bolts

7 items

Servo, stopper & tilting pin

servo and stopper

6 items

Seals

seals

17 items

Nuts, pins & name plate

nuts, pins and name plate

9 items

Units that fit the KOMATSU PC450

K5V200DTH

40–45 t hydraulic excavator / 200 mL/r (per pump)

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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.

K5V series

Parts by group

Position numbers match the exploded drawing on the pump family parts page.

Main assemblies & options - assemblies and options / 6 items

Pos.Part namePart numberQty/setPump family
011PISTON ASS'Y K3V1802924530-04622STK3V180 / K5V200DTH
011PISTON ASS'Y K5V2002924530-04662STK3V180 / K5V200DTH
013CYLINDER ASS'Y (R)2921190-03331STK3V180 / K5V200DTH
014CYLINDER ASS'Y (L)2921190-03361STK3V180 / K5V200DTH
041CHECK VALVE ASS'Y29538020482K3V180 / K5V200DTH
042CHECK VALVE ASS'Y2933180-04162K3V180 / K5V200DTH

Shaft & coupling group - shaft and coupling / 10 items

Pos.Part namePart numberQty/setPump family
111DRIVE SHAFT(F) K3V18029338012441K3V180 / K5V200DTH
111DRIVE SHAFT(F) K5V2002924250-09041K3V180 / K5V200DTH
113DRIVE SHAFT(R) K3V1802924250-00081K3V180 / K5V200DTH
113DRIVE SHAFT(R) K5V2002924250-09181K3V180 / K5V200DTH
114SPLINE COUPLING29438006131K3V180 / K5V200DTH
123ROLLER BEARINGPNUP309U2K3V180 / K5V200DTH
124NEEDLE BEARING K3V180PRNA6932R2K3V180 / K5V200DTH
124NEEDLE BEARING K5V200PAJ5038062K3V180 / K5V200DTH
127BEARING SPACER2903370-00183K3V180 / K5V200DTH
130BOOSTER29338009261K3V180 / K5V200DTH

Set plate, bush & spring - set plate, bush and spring / 4 items

Pos.Part namePart numberQty/setPump family
153SET PLATE K3V18029438004882K3V180 / K5V200DTH
153SET PLATE K5V2002924110-00492K3V180 / K5V200DTH
156SPHERICAL BUSH2924610-00322K3V180 / K5V200DTH
157CYLINDER SPRING295380206118K3V180 / K5V200DTH

Rotor group - rotor group / 3 items

Pos.Part namePart numberQty/setPump family
211SHOE PLATE371A00AA-1242K3V180 / K5V200DTH
212SWASH PLATE29238009082K3V180 / K5V200DTH
214TILTING BUSHP1R2226162K3V180 / K5V200DTH

Support & seal cover - support and seal cover / 4 items

Pos.Part namePart numberQty/setPump family
251SUPPORT29238009062K3V180 / K5V200DTH
261SEAL COVER(F)29438005181K3V180 / K5V200DTH
271PUMP CASING K3V1802923250-03742K3V180 / K5V200DTH
271PUMP CASING K5V2002923250-06952K3V180 / K5V200DTH

Valve block & casing - valve block and casing / 2 items

Pos.Part namePart numberQty/setPump family
311VALVE COVER(F)29238019321K3V180 / K5V200DTH
312VALVE BLOCK29238019341K3V180 / K5V200DTH

Plugs & bolts - plugs and bolts / 7 items

Pos.Part namePart numberQty/setPump family
401SOCKET BOLT29538018684K3V180 / K5V200DTH
402SOCKET BOLT29538024384K3V180 / K5V200DTH
406SOCKET BOLTOSBM8204K3V180 / K5V200DTH
466VP PLUGOVP144K3V180 / K5V200DTH
468VP PLUGOVP344K3V180 / K5V200DTH
490PLUGPBP116-240330K3V180 / K5V200DTH
492PLUGV2501014001K3V180 / K5V200DTH

Servo, stopper & tilting pin - servo and stopper / 6 items

Pos.Part namePart numberQty/setPump family
530TILTING PIN ASS 'Y K3V18029538019882K3V180 / K5V200DTH
530TILTING PIN ASS 'Y K5V2002925130-0031S2K3V180 / K5V200DTH
532SERVO PISTON K3V18029438005032K3V180 / K5V200DTH
532SERVO PISTON K5V2002924490-00412K3V180 / K5V200DTH
534STOPPER(L)29538018652K3V180 / K5V200DTH
535STOPPER(S)29538018642K3V180 / K5V200DTH

Seals - seals / 17 items

Pos.Part namePart numberQty/setPump family
702O-RING K3V180DTHOORBG1052K3V180 / K5V200DTH
710O-RING K5V200DTHOORBG105W2K3V180 / K5V200DTH
702O-RING K3V180DTHPCPP1702K3V180 / K5V200DTH
717O-RING K5V200DTHPCPP170W2K3V180 / K5V200DTH
702O-RING K3V180DTHPCPP1653K3V180 / K5V200DTH
719O-RING K5V200DTHPCPP165W3K3V180 / K5V200DTH
724O-RING K3V180DTHOORBP819K3V180 / K5V200DTH
724O-RING K5V200DTHOORBP8W19K3V180 / K5V200DTH
725O-RING K3V180DTHOORBP116K3V180 / K5V200DTH
725O-RING K5V200DTHOORBP11W6K3V180 / K5V200DTH
728O-RING K3V180DTHOORBP244K3V180 / K5V200DTH
702O-RING K5V200DTHOORBP24W4K3V180 / K5V200DTH
732O-RINGOORBP21W2K3V180 / K5V200DTH
702O-RINGOORBG40W2K3V180 / K5V200DTH
774OIL SEALPTCV55DLV1K3V180 / K5V200DTH
789BACK UP RINGPT2SP212K3V180 / K5V200DTH
792BACK UP RINGPT2SG402K3V180 / K5V200DTH

Nuts, pins & name plate - nuts, pins and name plate / 9 items

Pos.Part namePart numberQty/setPump family
808NUTORNM204K3V180 / K5V200DTH
824SNAP RINGOSR452K3V180 / K5V200DTH
885VALVE PLATE PINPJR10142K3V180 / K5V200DTH
886SPRING PINOSPV6144K3V180 / K5V200DTH
901EYE BOLTOEBM122K3V180 / K5V200DTH
953SET SCREWPSSSM20352K3V180 / K5V200DTH
954ADJUST SCREW2933300-00172K3V180 / K5V200DTH
981NAME PLATEPNPF-25911K3V180 / K5V200DTH
983PINOSK25482K3V180 / K5V200DTH

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.