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Metal spin-on hydraulic filter cylinder with threaded base and O-ring groove, matte grey finish, Baldwin Filters branding visible

Baldwin Filters

Baldwin Filters BT9433 Hydraulic Filter statue

SKU CH-5YEM-RWB77

A hydraulic spin-on filter with a 144 micron rating, 9 17/32 inch height, and 1 3/8-12 thread for Caterpillar equipment

  • Product typeAutomotive Filters
  • 144-micron filtration protects hydraulic systems
  • Spin-on design allows quick filter changes
  • Fits Caterpillar dozers and loaders directly
  • Includes O-ring for reliable sealing
  • 1-3/8 in. -12 thread ensures secure fit

Hydraulic filter for Caterpillar equipment

This Baldwin Filters BT9433 is a spin-on hydraulic filter designed for Caterpillar dozers and loaders. It carries a micron rating of 144 and includes an O-ring for installation. The unit suits maintenance teams needing a direct-fit replacement element.

Bundled O-ring simplifies installation

The included O-ring removes the need to source a separate seal when fitting the filter. This reduces downtime during scheduled service and helps prevent leaks caused by reusing worn seals. Mechanics can complete the change with fewer parts on hand.

Thread and dimensional constraints

The filter uses a 1 3/8 in.-12 thread size and measures 3 3/34 in. in outside diameter by 9 17/32 in. in height. These fixed dimensions mean it only fits housings machined to that exact specification. Builders adapting other machinery must verify thread pitch and clearance before ordering.

How it compares

Measured against everything we stock in Yard Ornaments & Garden Statues, at today’s prices. Recalculated every night.

Price $96.99
Pricier than about 81% of the 1,271 comparable items (median $40.99).

Specifications

Product
Brand nameBALDWIN FILTERS
Product typeAutomotive Filters

Questions about this item

When will the 144 micron hydraulic spin-on filter BT9433 need replacement?

Replace the BT9433 hydraulic filter according to your Caterpillar dozer or loader service intervals; the 144 micron rating captures contaminants until the element reaches its holding capacity.

What pressure or flow limit appears first during continuous hydraulic operation?

The BT9433 spin-on canister is rated for standard hydraulic system pressures on Caterpillar equipment; the 144 micron media will reach its dirt-holding limit before pressure becomes restrictive.

How much heat does the BT9433 generate during all-day hydraulic system use?

The filter housing itself produces negligible heat; fluid temperature is determined by the hydraulic system load, not by the 144 micron spin-on element.

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