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BALDWIN · Transmission Oil Filter

BT779

Transmission Spin-on

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

Stock checked September 11, 12:46 PM Eastern. Call before travelling so we can confirm what is still available.

Call Belleville ↗Call Kingston ↗Text your part number ↗

THE DETAILS THAT MATTER

FILTER SPECIFICATIONS.

Filter type
Transmission Spin-on
Thread
13/16–16
Outside diameter
3 11/16 in.
Outside diameter (mm)
93.7
Length
2 29/32 in.
Length (mm)
73.8
Gasket
G401
Manufacturer part number
BT779
GTIN
00791440008441

Baldwin replacement references: Caterpillar 9T1119

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 BT779. Keep any size, quantity or application conditions with the match. A cross-reference alone does not confirm fit on your equipment.

16 manufacturer reference rows

Brand / manufacturerReference numberCondition / noteReference qty
BALDWIN FILTERSBT7790
BIG A FILTER924651
CARQUEST854651
CATERPILLAR9T11191
FLEETGUARDHF79251
FLEETRITEHFR879251
FRAM FiltersPH38331
GRAINGER4ERT61
HASTINGSHF8151
LUBER-FINERLH44421
NAPA GOLD14651
NAPA X14651
SAKURAAC550401
WIX514651
WIX5514651
WOODGATEWGL90211

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 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.