Service parts
Hitachi LANDCROS ZW50-5B Service Parts
7 parts on Hitachi's maintenance schedule for the ZW50-5B: filters and elements with the current part number, the service interval and the quantity per machine. 7 have a Hitachi price in our catalog. Confirm by serial number with Garton Parts before ordering.
Intervals: Hitachi's maintenance schedule for the ZW50-5B, issued May 2023. Drawings: Hitachi's parts catalog, pulled 2026-09-04. Prices are Hitachi's published USD prices from our catalog.
Pick list0

Engine oil
| Part number | Description | Qty per machine | Interval | Ref | Price | Add to pick list |
|---|---|---|---|---|---|---|
| WA4454527formerly listed as 4454527 | Engine oil filterFILTER,OIL | 1 per machine | First 100 hours, then every 250 hours | Fig 1, ref 01 | $26.83 each | |
| KBTV063151682 | Oil separator element (blow-by gases)ELEMENT,KIT | 1 per machine | Every 1,000 hours | none | $246.02 |
Fuel
| Part number | Description | Qty per machine | Interval | Ref | Price | Add to pick list |
|---|---|---|---|---|---|---|
| KBT1J52143172formerly listed as YA00046445 | Fuel main filterFILTER | 1 per machine | Every 500 hours | Fig 1, ref 02 | $88.23 |
Air intake
| Part number | Description | Qty per machine | Interval | Ref | Price | Add to pick list |
|---|---|---|---|---|---|---|
| 4290940formerly listed as 305021-11130 | Air cleaner element (outer)ELEMENT | 1 per machine | When the indicator light comes on. | Fig 1, ref 04 | $66.17 each | |
| 4326841formerly listed as 305021-11120 | Air cleaner element (inner)ELEMENT | 1 per machine | After the fifth replacement of the outer filter. | Fig 1, ref 05 | $50.74 each |
Hydraulic
| Part number | Description | Qty per machine | Interval | Ref | Price | Add to pick list |
|---|---|---|---|---|---|---|
| 4613840formerly listed as 336781-31110 | Return filterFILTER | 1 per machine | First 100 hours, then every 1,000 hours | Fig 1, ref 07 | $109.54 each |
Transmission and axle
| Part number | Description | Qty per machine | Interval | Ref | Price | Add to pick list |
|---|---|---|---|---|---|---|
| 4630525 | HST oil filterELEMENT;FILTER | 1 per machine | First 100 hours, then every 1,000 hours | Fig 1, ref 08 | $35.34 each |
Parts Due at Each Service
Each list includes the shorter intervals that fall due at the same service, so the 1,000 hour list repeats the 500 hour parts.
Due at 100 hours
3 parts for the ZW50-5B 100 hour service.
| Part number | Description | Qty per machine | Interval | Ref | Price | Add to pick list |
|---|---|---|---|---|---|---|
| WA4454527formerly listed as 4454527 | Engine oil filterFILTER,OIL | 1 per machine | First 100 hours, then every 250 hours | Fig 1, ref 01 | $26.83 each | |
| 4613840formerly listed as 336781-31110 | Return filterFILTER | 1 per machine | First 100 hours, then every 1,000 hours | Fig 1, ref 07 | $109.54 each | |
| 4630525 | HST oil filterELEMENT;FILTER | 1 per machine | First 100 hours, then every 1,000 hours | Fig 1, ref 08 | $35.34 each |
Due at 250 hours
1 part for the ZW50-5B 250 hour service.
| Part number | Description | Qty per machine | Interval | Ref | Price | Add to pick list |
|---|---|---|---|---|---|---|
| WA4454527formerly listed as 4454527 | Engine oil filterFILTER,OIL | 1 per machine | First 100 hours, then every 250 hours | Fig 1, ref 01 | $26.83 each |
Due at 500 hours
2 parts for the ZW50-5B 500 hour service.
| Part number | Description | Qty per machine | Interval | Ref | Price | Add to pick list |
|---|---|---|---|---|---|---|
| WA4454527formerly listed as 4454527 | Engine oil filterFILTER,OIL | 1 per machine | First 100 hours, then every 250 hours | Fig 1, ref 01 | $26.83 each | |
| KBT1J52143172formerly listed as YA00046445 | Fuel main filterFILTER | 1 per machine | Every 500 hours | Fig 1, ref 02 | $88.23 |
Due at 1,000 hours
5 parts for the ZW50-5B 1,000 hour service.
| Part number | Description | Qty per machine | Interval | Ref | Price | Add to pick list |
|---|---|---|---|---|---|---|
| WA4454527formerly listed as 4454527 | Engine oil filterFILTER,OIL | 1 per machine | First 100 hours, then every 250 hours | Fig 1, ref 01 | $26.83 each | |
| KBTV063151682 | Oil separator element (blow-by gases)ELEMENT,KIT | 1 per machine | Every 1,000 hours | none | $246.02 | |
| KBT1J52143172formerly listed as YA00046445 | Fuel main filterFILTER | 1 per machine | Every 500 hours | Fig 1, ref 02 | $88.23 | |
| 4613840formerly listed as 336781-31110 | Return filterFILTER | 1 per machine | First 100 hours, then every 1,000 hours | Fig 1, ref 07 | $109.54 each | |
| 4630525 | HST oil filterELEMENT;FILTER | 1 per machine | First 100 hours, then every 1,000 hours | Fig 1, ref 08 | $35.34 each |
Also on these drawings
Printed on the drawings above but not on the maintenance schedule, listed by drawing ref.
| Ref | Part number | Description | Qty per machine | Price | Add to pick list |
|---|---|---|---|---|---|
| Fig 1, ref 03 | YD00017483 | Fuel pre filterELEMENT;FILTER | 1 per machine | Quote on request | |
| Fig 1, ref 06 | 62J7812112 | Suction filterSTRAINER | 1 per machine | $130.58 each | |
| Fig 1, ref 09 | KBT1726697022formerly listed as YA00047449 | Fan belt (engine)BELT;FAN | 1 per machine | Quote on request | |
| Fig 1, ref 10 | 62J1712113 | BELT;V | 1 per machine | Quote on request | |
| Fig 2, ref 03 | KBTRD45151940formerly listed as YJ00004168 | Fuel pre filterELEMENT;FILTER | 1 per machine | Quote on request | |
| Fig 2, ref 09 | KBTT142017800formerly listed as YA00048218 | Fan belt (engine)BELT;FAN | 1 per machine | Quote on request |
Other Hitachi Wheel Loaders
Search the full catalog for anything not on this list, or open your pick list to send it to Garton Parts.
For the exact kit for your serial number, call Garton Parts at 1-877-TRACTOR.