Case 850B Dozer & Loader Filters parts list
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850B, 850C, 855C, 1150, 880, 880R, 40B, 680CK, 680CK-B, 680CK-C, 780CK |
Primary Air Filter |
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D80480 |
$55.00
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850B, 850C, 855C |
Inner Air Filter (Non Turbo) |
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D78336 |
$59.00
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430CK, 480CK, 480B, 480C, 480D, 480LL, 530CK, 580C, 580CK, 580D, 580SD, 584, 585, 586, 584C, 584D, 585C, 585D, 586C, 586D |
Filter, Power Steering Pump |
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A42242 |
$22.00
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580L-II, 580SL-II, 580M-I, 580SM-I, 590SL-II, 590SM-I, 780, 780D, 570LXT-II, 570MXT, 550G, 550H, 650, 650G, 650H, 750H, 850B, 850C, 850D, 850E, 850G, 850H, 855C, 855D, 855E, 1150D, 1155D, W14B, W14C, W18B & more |
Precleaner Plastic Bowl (10 1/2") |
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277377R1 |
$17.00
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850B, 850D, 850E, 850G, 1150D, 855C, 855D, 855G, 1155D, W18B, W20C, W24C, 1206, 1256, 1270, 1370, 1456 |
Air Precleaner Assy (4" Outlet) |
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258539A1 |
$49.00
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Air, engine, and power steering filters for the Case 850B crawler dozer and loader, covering primary air filters, pre-cleaners, air cleaner caps, and hydraulic steering filters across the 850 and 855 series machines.
Fits Models At A Glance
- 850 Series: 850B, 850C
- 855 Series: 855C
Key Notes
- Application: Engine air intake filtration and hydraulic steering system filtration
- Filter Types: Primary air filters, air pre-cleaners, air cleaner caps, power steering filters
- Fitment: Correct sizing for 850B/850C/855C crawler dozer intake housings
- Condition: New replacement filters and service components available
Why Choose Broken Tractor
- ✅ Filters matched to Case dozer specs
- ✅ Fast shipping from two US locations
- ✅ Knowledgeable support on Case fitment
Frequently Asked Questions
What air filters fit a Case 850B dozer?
Broken Tractor carries the Primary Engine Air Filter (SKU D80480) and an Air Filter for the 850B, 850C, and 855C (SKU D78336), both of which fit the 850B. We also offer an Air Pre-Cleaner with Plastic Bowl (SKU 258539A1) and an Air Cleaner Cap (SKU 277377R1) that fit the 850B intake system. Match the part number to your machine to confirm the correct filter.
Does the primary engine air filter D80480 fit the Case 855C?
Yes, the Primary Engine Air Filter (SKU D80480) fits the Case 850B, 850C, and 855C crawler dozers among other Case models. Broken Tractor sizes these filters for the correct 850B/850C/855C intake housings. Confirm fitment by matching the part number to your machine.
What is included with the air pre-cleaner for the Case 850B?
The Air Pre-Cleaner (SKU 258539A1) comes with a plastic bowl and fits the Case 850B, 850C, and 855C along with other Case dozers, loaders, and tractors. It mounts ahead of the primary air filter to remove larger debris before intake filtration. Match the part number to confirm it suits your setup.
Do you carry a power steering filter for Case 850 series machines?
Broken Tractor offers a Power Steering Filter (SKU A42242) for the hydraulic steering system on Case machines. Because power steering filter fitment can vary by model and serial number, match the part number A42242 to your machine or confirm with the parts team at (800) 909-7060 before ordering.
What is the difference between the air filter D78336 and the pre-cleaner for the 850B?
The Air Filter (SKU D78336) is a primary intake filter for the 850B, 850C, and 855C, while the Air Pre-Cleaner (SKU 258539A1) is a separate component with a plastic bowl that removes coarse debris before it reaches the primary filter. Many machines use both together in the intake system. Broken Tractor carries both matched to Case dozer specs.
