Fiat Tractor Hydraulic Gear Pump Replacement – 5180271 5135887 5167392 5180275
GBC-5180271 is a direct-replacement external gear pump for Fiat tractors where OEM references 5180271 or 5135887 apply. It restores full hydraulic output for 3-point hitch, remote cylinders, and implement circuits on Fiat specialty workshop market tractors. Built to OEM or better performance standards, direct-fit with no modifications required.
MOQ: flexible. Minimum order value USD 1,500; mixed orders and trial quantities welcome.
GBC-5180271 — Fiat Tractor Hydraulic Gear Pump Replacement – 5180271 5135887
Fiat tractor hydraulic pumps are represented by several distinct part number families in the 5100000–5200000 range, each covering a specific model or displacement variant. The 5180271 and 5135887 references identify a specific hydraulic gear pump variant used in Fiat models served by the Fiat specialty workshop market — workshops that focus on older and less common Fiat models and which need access to a wider range of Fiat-specific hydraulic pump references than mainstream parts distributors typically carry.
The {sku} covers both the 5180271 and 5135887 OEM references, providing aftermarket supply for both numbers under a single stocking SKU. This dual-reference coverage is particularly useful for specialty workshop parts managers who encounter both numbers when sourcing for their Fiat fleet customer base. For the full range of Fiat compatible hydraulic products, visit the GBC homepage.

OEM Cross-References 5180271 and 5135887
Both 5180271 and 5135887 appear in Fiat tractor parts catalogues and are confirmed to refer to the same hydraulic pump specification in the applicable model range. Workshop mechanics who have previously ordered using one number and found it superseded to the other will recognise this as a standard Fiat parts catalogue supersession. The {sku} is confirmed against both numbers for unambiguous fitment verification.
| Tractor Make | Model / Series | Notes |
|---|---|---|
| Fiat | Models with 5180271 pump reference | Fiat catalogue |
| Fiat | Models with 5135887 pump reference | Fiat catalogue, supersession chain |
| Fiat | Specialty workshop fleet | Both references confirm same pump |
Technical Specifications
| Specification | Value |
|---|---|
| Applied To | Fiat Tractors |
| OEM Ref No | 5180271, 5135887, 5167392, 5180275 |
| Nominal Displacement | 14 ml/r |
| Maximum Pressure | 200 bar |
| Rotational Speed | 500–3000 r/min |
| Controlled Flow Rate | 18 L/min |
| Fuel Feed Hole | Φ20 |
| Fuel Discharge Hole | M18*1.5 |
| Direction of Rotation | ← Left (Anti-clockwise) |
Fiat Tractor Specialty Workshop Market
The Fiat tractor specialty workshop market in Australia is a distinct segment within the broader agricultural repair industry. These workshops typically service older Fiat, Hesston, Lamborghini, and same-brand equipment that mainstream agricultural dealers no longer actively support with parts stock. They provide a critical service to the community of farmers and rural landholders who still operate this equipment, and they require access to a wider range of specific part references than can be held economically by a general agricultural parts counter.
For specialty workshop operators, access to an aftermarket supplier — like GBC — that can source dual-reference Fiat hydraulic pump numbers such as 5180271/5135887 is a significant service capability differentiator. Rather than telling a customer their pump is unobtainable, the specialty workshop can source the {sku} from GBC and complete the repair. Contact us for specialty parts enquiries and workshop supply terms.

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5180271/5135887 Dual Match
Confirmed against both OEM references — serves customers presenting either Fiat catalogue number.
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Specialty Workshop Supply
Fills the supply gap left by mainstream parts distributors who no longer stock specialty Fiat hydraulic pump references.
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Catalogue Supersession Aware
Recognises and covers known Fiat supersession chain between 5135887 and 5180271 reference numbers.
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Direct-Fit Quality
Manufactured to OEM dimensional specification for zero-modification installation.
Installation Notes for Fiat Specialty Models
Fiat tractor models in the specialty workshop market may have accumulated significant hours and may show wear in hydraulic circuit components beyond the pump itself. When replacing the {sku} pump, inspect the complete hydraulic circuit including filter, hoses, and cylinder seals. On high-hour Fiat tractors, worn cylinder seals can cause the new pump to work harder than necessary to maintain implement position, shortening its service life.
Use a hydraulic fluid compatible with the Fiat/Italian specification for this model range — our team can advise on current equivalents for older Fiat fluid specifications if needed. For ordering the {sku} or other specialty Fiat references, reach out via our contact page.

About GBC
GBC is a specialist supplier of aftermarket agricultural and industrial hydraulic components, operating across Australia and key global markets. With a manufacturing background spanning gear pumps, hydraulic cylinders, power transmission components, and tractor drivetrain parts, GBC provides OEM-grade replacement parts with flexible order quantities and competitive lead times. Our sourcing team works directly with certified factories to ensure every unit meets or exceeds original equipment specifications. Learn more on our About Us page, or browse our full range at the GBC homepage.
Frequently Asked Questions
Is this an OEM part or an aftermarket replacement?
How do I confirm fitment before ordering?
What is the minimum order quantity and lead time?
What hydraulic fluid should I use with this pump?
Can I install this pump without specialist workshop tools?
Do you provide after-sales support and warranty?
Ready to Order or Need Technical Advice?
Our hydraulic pump specialists are ready to confirm fitment, discuss MOQ, and arrange freight to your location anywhere in Australia and beyond.
GBC-5180271 is a direct-replacement external gear pump for Fiat tractors where OEM references 5180271 or 5135887 apply. It restores full hydraulic output for 3-point hitch, remote cylinders, and implement circuits on Fiat specialty workshop market tractors. Built to OEM or better performance standards, direct-fit with no modifications required.
MOQ: flexible. Minimum order value USD 1,500; mixed orders and trial quantities welcome.





