Hydraulic/Transmission Filter 1G-8878 for Caterpillar Wheel Loaders, Dozers & Excavators
1G-8878 hydraulic filter for Caterpillar wheel loaders, dozers, and excavators. OEM cross-reference verified. Bulk orders from IXIN Filter.
Description
This 1G-8878 hydraulic filter is an advanced-efficiency spin-on hydraulic/transmission filter engineered as a direct replacement for the Caterpillar 1G-8878, one of the most widely used hydraulic filters across CAT’s wheel loader, track-type tractor, and excavator lineup. It’s designed to protect high-pressure hydraulic and transmission systems from contamination in moderate to severe-duty applications.
Product Overview
The 1G-8878 hydraulic filter uses filter media engineered for increased debris-holding capability and resistance to collapse under pressure, with pleat spacing maintained by acrylic beading to prevent bunching and preserve maximum filtration surface area throughout the filter’s service life. As an advanced-efficiency filter, it’s built for moderate to severe hydraulic and transmission applications, protecting pumps, valves, and other precision components from abrasive wear. Each unit is manufactured with a standard 1-3/8-12 UNF thread to match OEM housing specifications and dimensionally verified before shipment.
Fits the Following Caterpillar Models & Engines
| Category | Models |
|---|---|
| Wheel Loaders | CAT 902, 906-906M, 907H, 907M, 908-908M, 910E-910K, 914G, 914G2, 914K, 918F, 924F-924HZ, 928F-928HZ, 930G, 930H, 938F, 938G, 938G II, 938H, 950G, 950G II, 950H, 962G, 962G II, 962H, 966G, 966G II, 972G, 972G II, 988F II, 988G, 988H, 990H, 992G, 992K, 994, 994D, 994F |
| Track-Type Loaders / Tractors | CAT 933C, 939C, 953D, 963D, 973D |
| Off-Highway Trucks | CAT 769D, 771D, 773D, 773E, 775D, 775E, 794 AC, 796 AC, 798, 798 AC |
| Articulated Dump Trucks | CAT 725, 730, 735, 735 OEM, 740 |
| Motor Graders | CAT 120M, 120M 2, 12M, 12M 2, 140, 140M, 140M 2, 143H, 150, 160, 160M, 160M 2, 163H NA |
| Telehandlers | CAT RT80, RT100, TH220B-TH580B |
| Wheel-Type Skidders | CAT 515, 525-535C, 545, 545C |
| Engines / Generator Sets | Caterpillar 3508, 3512E, G3606, G3606B, G3608, G3612, G3616 |
Always confirm your machine’s serial number range against the OEM cross-reference before ordering, as hydraulic filtration specifications can vary across production years within the same model.
OEM Cross-Reference Numbers
| Brand | Number |
|---|---|
| Caterpillar | 1G-8878, 1G8878, 191-9784, 1919784 |
| Baldwin | BT8850-MPG, BT8851-MPG, BT8862, BT734 |
| Donaldson | P164378, P164384, P169958, P173737, P176566, P177047 |
| Fleetguard | HF6553, HF28940 |
| WIX | 51494, 51495 |
| Mann | WH980/3 |
| AGCO | 6598903, 666881, 303506819, 512558D1, 71372341 |
| John Deere | AL118036, RE39527, RE47313 |
Key Features
- Advanced-efficiency filtration, offering increased debris-holding capability and resistance to collapse
- Acrylic beading pleat construction, maintaining rigid pleat spacing for maximum filtration surface area over the filter’s service life
- Standard 1-3/8-12 UNF spin-on thread to match OEM housing specifications
- Dimensionally verified against OEM specifications, not just cross-reference number matching
- Consistent batch quality control, with raw material and pre-shipment testing on every production run
- Extremely broad application coverage, spanning CAT wheel loaders, track-type tractors, off-highway trucks, motor graders, and telehandlers
Specifications (Publicly Referenced Dimensions)
Dimensions below are compiled from publicly available cross-reference filter databases, including Fuel Filter Cross Reference, and were reasonably consistent across sources. Please verify against your machine’s actual filter housing or OEM documentation before bulk ordering.
| Spec | Detail |
|---|---|
| Height | 242-243.5 mm |
| Outer Diameter | 95-98 mm |
| Thread | 1-3/8-12 UNF |
| Filter Type | Spin-on hydraulic/transmission filter |
| Filter Media | Advanced-efficiency filter media with acrylic bead pleat support |
| Application | Wheel loaders, track-type tractors, off-highway trucks, motor graders, telehandlers |
| Packaging Options | Standard retail box, bulk carton, or private-label packaging available |
Why Source This Hydraulic Filter from IXIN Filter
We manufacture this 1G-8878 hydraulic filter in our own production facility, with quality control checkpoints from raw material inspection through final pre-shipment testing. If you’re sourcing for a distribution business or fleet, we can provide:
- Sample units for independent testing before a bulk order
- Documentation on OEM cross-reference verification
- Flexible MOQ and private-label packaging options
- Consistent batch-to-batch quality for repeat orders
Frequently Asked Questions
What equipment uses the 1G-8878 hydraulic filter? It’s used across an unusually broad range of CAT equipment, including wheel loaders (902 through 994F), track-type tractors, off-highway trucks, articulated dump trucks, motor graders, telehandlers, and select industrial engines and generator sets.
Is this a hydraulic filter or a transmission filter? The 1G-8878 is designed as a combined hydraulic/transmission filter, used across both systems depending on the specific CAT equipment model.
Will this fit all the models listed? It fits the extensive equipment range listed above, but hydraulic system configurations can vary by production year and serial number range. We recommend confirming your machine’s specific configuration before ordering, especially for bulk purchases.
Do you offer samples before a bulk order? Yes. We recommend requesting a sample for independent testing before committing to a bulk order, especially for first-time buyers.
Ready to order or request a sample? Contact IXIN Filter for pricing, MOQ, and lead time on the 1G-8878 hydraulic filter.
