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BALDWIN · Engine Oil Filter

PT61-HD

Full-Flow Lube or Hydraulic Element

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Call either store for your current price.
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Kingston APCCall for availability

Stock checked September 11, 3:16 PM Eastern. Call before travelling so we can confirm what is still available.

THE DETAILS THAT MATTER

FILTER SPECIFICATIONS.

Filter type
Full-Flow Lube or Hydraulic Element
Outside diameter
3 1/2 in.
Outside diameter (mm)
88.9
Inside diameter
1 15/32 in.
Length
5 29/32 in.
Length (mm)
150.0
Contains
Reinforced Centertube
Manufacturer part number
PT61-HD
GTIN
00791440000728

Baldwin replacement references: Caterpillar 5B8934, 8B5935

Baldwin PIES August 20, 2026 · Baldwin Product Guide July 24, 2026.

START WITH THE NUMBER YOU HAVE

CROSS-REFERENCE NUMBERS.

Baldwin’s reference lists the numbers below for PT61-HD. Keep any size, quantity or application conditions with the match. A cross-reference alone does not confirm fit on your equipment.

86 manufacturer reference rows

Brand / manufacturerReference numberCondition / noteReference qty
ACDELCOC3131
ACDELCOPF3751
AMERICAN PARTS20081
AMERICAN PARTS921691
AP LOCKHEED5743601
AP LOCKHEEDFC3601
BALDWIN FILTERSPT61HD1
BIG A FILTER20081
BIG A FILTER921691
BOSCH14574294501
BOWESLP16551
CARQUEST851691
CATERPILLAR1R07271
CATERPILLAR2D2124Filter Only1
CATERPILLAR4F2205Filter Only1
CATERPILLAR5B89341
CATERPILLAR7F46261
CATERPILLAR8B59351
CHAMPION LABORATORIESP16551
CO-OPP8B59351
CO-OPPM8B59351
COOPERSAZL0801
COOPERSGP231
COOPERSHET61561
CROSLAND5601
CYCLONEPM8B59351
DELUXE1731
DONALDSONP1725801
DONALDSONP5559351
DONALDSONP7790761
FILTBP5711
FLEETGUARDLF6011
FLEETRITELFR86011
FRAM FiltersC1655PL1
GM GENERAL MOTORS55705241
GM GENERAL MOTORS64368301
GM GENERAL MOTORS64368311
GONHER61551
GOULDP8B59351
GRAINGER4ZJV81
GREYFRIARS638P1
GUARDIAN FILTER CO.G0511691
GUD FILTERSG231
GUD FILTERSGP231
HASTINGSPT61HD1
HEAVY DUTY AIRA180061
HEAVY DUTY AIRHDA180061
KRALINATORL8031
L.B. FILTERL1371
LUBER-FINERLP16551
MANN+HUMMELH104911
MANN+HUMMELH10491O1
MOTORCRAFTFL791
NAPA GOLD11691
NAPA X11691
NELSON-WINSLOWEX601
NELSON-WINSLOWEX6O1
PBRAC30511
PERRYPL1731
PUROLATOR3591011
PUROLATOR374451
PUROLATORH451231
PUROLATORMF64A1
PUROLATORPN191
PUROLATORPR31
REFILCO5B89341
ROL-PAKCTQ4X6BP1
ROMANLU5931
RYCOR123P1
SAKURAO53011
SAKURAO54041
SAVARA921507171
SF-FILTER / SCHUPPSO13111
STAY READYSRP8B59351
STAY READYSRPCAT31
SURE FILTER TECHNOLOGYSFO59351
UNITED ENGINE LIFECP59351
UNITED ENGINE LIFECPS1
WINSLOWEX601
WINSLOWWX6O1
WIX511691
WIX5511691
WIXCW169MP1
WOODGATEWGL6011
YALE4400368741
YALE4400418331

Source: Baldwin Specs & Interchange · July 27, 2026. Reference quantity is part of the manufacturer’s cross-reference, not store stock.

CHECK THE EQUIPMENT. CHECK THE ENGINE.

APPLICATIONS & EQUIPMENT.

Caterpillar Engines, Equipment

Baldwin Product Guide summary. This description does not establish fit for every model from each manufacturer.

Call with your equipment model, engine and the number on the existing filter. Our counter will help verify the application.

A REAL COUNTER. CLOSE TO HOME.

YOUR LOCAL FILTER PEOPLE.

Bring the number off your old filter, or your equipment and engine details. We’ll help check the match.