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Ford 83913537 / 33 cc: tractor hydraulic gear pump replacement reference
This 33 ml/rev Ford unit is an anticlockwise, higher-displacement option with a 200 bar listed limit. The catalogue shows a 19 mm feed opening and a 28 mm discharge opening; their relative sizes should be checked carefully rather than silently reversed. At 500–3000 rpm it belongs to a different capacity class than the 16 ml/rev variant.
Identification before quotation
The main identification for this entry is 83913537 / 33 cc. The accompanying reference list is 83913537; 83945584; 83903943; D8NN600FA; compare the reference stamped on the removed body rather than relying on a generic seller photo.
No specific tractor serial ranges are established here for 83913537 / 33 cc. Use the parts manual and existing hardware to complete the application check.

Technical specifications
| Reference / model | 83913537 / 33 cc |
|---|---|
| Product type | Tractor Hydraulic Gear Pump |
| Original reference numbers | 83913537; 83945584; 83903943; D8NN600FA |
| Applicable tractor models | Confirm from original pump / equipment parts list |
| Manufacturer reference | Not provided |
| Nominal displacement | 33.0 ml/rev |
| Maximum pressure | 200 bar |
| Rotational speed | 500–3000 rpm |
| Controlled flow rate | Not stated |
| Feed hole / connection | Ø19 |
| Discharge hole / connection | Ø28 |
| Rotation | anticlockwise (CCW) |
What must mate to the original pump
Checking rotation for 83913537 / 33 cc requires a known viewpoint. Record whether the shaft was observed from the coupling face, as the listing gives counterclockwise.
Installation hardware must suit Ø19 on the supply side and Ø28 on the discharge side. A port-size match alone does not prove the mount will align.
Drive rotationCCW
Displacement33.0 ml/rev
Connection checkØ19 / Ø28
How to compare pump sizes
The nominal size of 83913537 / 33 cc is 33.0 ml/rev. The user should confirm both required pressure and expected duty cycle; a part that spins and bolts on can still perform poorly if incorrectly sized.
Within the comparison set, 81863197 / 16 cc lists 16.0 ml/rev and 160 bar. That is a useful limit check for the 83913537 / 33 cc hydraulic request, not permission to alter the tractor’s original pump rating.
Flow-control behavior is not defined by this parts entry. Confirm the tractor valve and circuit characteristics independently.
The stated speed is 500–3000 rpm. Before commissioning, verify the engine accessory drive ratio and that normal operating conditions do not exceed this listing.

Inspect the hydraulic drive
Before the first start, rotate the drive in the correct direction by the approved maintenance procedure and verify 83913537 / 33 cc receives oil. Run unloaded initially and monitor for abnormal sound or leakage.
Circuit operating flow remains unquantified in this row, so a controlled functional check is needed once the pump is installed.
Close relatives are not identical
Ford 81863197 / 16 cc appears in the same broad product range. Compared with its 16.0 ml/rev displacement, the 33.0 ml/rev for 83913537 / 33 cc is not enough to establish replacement suitability.
If the machine has been modified, the fitted pump is more useful evidence than a legacy tractor model number.
Complete the pump identification
If replacing a failed Ford unit, share its stamped identifier, gearbox or engine-side drive photo and port measurements. The listed 200 bar pressure is not a substitute for the machine’s actual relief setting.
Ask for an outline drawing when a tight installation envelope leaves little room for adapters.
Frequently checked details
Which information distinguishes 83913537 / 33 cc from adjacent entries?
The OEM number, CCW handedness and the listed feed/discharge values should be checked together with the flange.
Why must the port sizes for 83913537 / 33 cc be measured?
The listed supply/discharge values (Ø19 and Ø28) do not describe the full gasket, thread seat or bolt pattern.
Ordering, samples and shipping terms
Order quantities are set according to pump type and total order value. A small order of 1–2 pieces can be considered at a higher unit price; new customers may request 1–5 samples when the item is suitable. Mixed-model orders are available, normally with a combined order value of approximately USD 1,500.
Typical production schedules are 10–25 working days for standard items, 20–45 working days for customized components, and 45–120 working days for project equipment. Usual delivery terms are EXW, FOB, CIF and DAP. FCA, CFR, CPT, CIP and DDP can be discussed for specific shipments. Confirm the final schedule and terms with the quotation.
Third-party brand names and trademarks are used only for product identification and cross-reference. They remain the property of their respective owners; such references do not imply affiliation, sponsorship, authorization or endorsement.
Request a quotation for this pump
Send the old pump reference, quantity, photos and interface measurements to our sales team.
sales@netherlandsdrive.com
Additional information
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