Hunting down a part number for your Ford 6600? This 724-page parts catalog covers every assembly on the 1975-1981 four-cylinder tractor, from front wheel weights and dual power adjustable rear wheels to cab HVAC and fuel injection pumps. Figure-indexed exploded views are organized by system code: engine internals, hydraulic linkage, transmission and PTO, full cab electrical for both NHNA and NH-E builds, plus comprehensive cross-referenced parts lists. The battery section specifies BCI 4DLT at 810 CCA; the starter section calls out the 4-1/2-inch drive assembly, so you order once and order right. No more squinting at a worn casting to read a faded OEM number. Search by figure number in your PDF reader to jump straight to any exploded view.
What's Inside This Ford 6600 4 CYL AG TRACTOR Parts Manual
| System | Pages | Key Topics |
|---|---|---|
| Wheels & Weights | - | - |
| Brakes & Handbrake | - | - |
| Front Axle, Steering & Differential | - | - |
| Rear Axle & Center Housing | - | - |
| Hydraulic System & Linkage | - | - |
| Engine & Related Parts | - | - |
| Transmission & PTO | - | - |
| Cooling System | - | - |
| Fuel & Air Systems | - | - |
| Electrical System & Lighting | - | - |
| Instrument Cluster | - | - |
| Seat Assemblies | - | - |
| Cab, HVAC & Electrical | - | Romeo, Michigan, Class 3 Fit, Carriage, Castle Nut, Category, Carriage Bolt, Closed Center Load Sensing |
| Decals & Shift Patterns | - | - |
| Accessories & General | - | - |
| General Information | - | Abbreviations, Metric/Inch Hardware Conversions |
Every system also includes hex slotted nut, safety frame, screw, seat, sekura cab, self locking screw, self-tapping, self-tapping screw, separate, service only, set screw, shell, short wheel base, shoulder, side, side flashers, side headlamps, side lights, side shift backhoe, single, single clutch, single filter, single lever hydraulic lift, single spool, slotted, slow moving vehicle, spacer, special, special order, speed, speedometer, spool, spring pin, square, square nut, stabilizer bars, standard, steering, step bolt, stop lamps, straddle mount, super, super comfort seat, support, sweden, swinging drawbar, switzerland, synchronized, synchronized manual shift, and synchronized shuttle shift.
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Battery replacement | BCI 4DLT, 810CCA | p. 425 |
| Starter motor drive & relay assy. replacement | 4-1/2" Dia. | p. 428 |
| Solenoid replacement | Start Year: 01/01/1975 | p. 438 |
| Terminal, Male Blade | Start Year: 08/01/1976 | p. 359 |
| Ground wire | Start Year: 01/01/1975 | p. 362 |
| Air cleaner assy. replacement | 6" (152.4mm) | p. 298 |
| Fuel filter element replacement | Start Year: 01/01/1975 | p. 293 |
| Hydraulic oil filter replacement | Start Year: 05/01/1979 | p. 120 |
Ford 6600 4 CYL AG TRACTOR Common Problems This Manual Covers
Ford 6600 won't crank in cold weather; need correct battery group size and starter part numbers p. 425
Check the electrical parts diagram first. The battery spec is BCI 4DLT at 810 CCA (page 425); make sure your replacement matches that capacity exactly. Confirm the starter motor is the 4-1/2 in. diameter drive assembly shown on page 428, then locate the solenoid part number at page 438 against your serial number.
Manual Section: Electrical System & LightingHydraulic 3-point lift won't hold load; need correct pump, valve, and filter assembly part numbers
Open the hydraulic parts diagram and trace the lift pump and control valve assemblies through the exploded view, noting each part number. Read off the hydraulic oil filter part number and confirm it applies to your build date (page 120, start year 05/01/1979). Cross-reference everything against the master parts list.
Manual Section: Hydraulic System & LinkageAir cleaner clogged and fuel filter weeping; need correct replacement part numbers for both assemblies p. 293
Turn to the fuel system parts. The fuel filter element (page 293) covers tractors from 01/01/1975 forward; verify your serial number fits that range. For the air cleaner, find the 6 in. (152.4 mm) assembly on page 298. Pull both part numbers from the master index before ordering.
Manual Section: Fuel & Air SystemsCorroded battery terminals and ground cables; need correct part numbers for connectors and wire assemblies
Start in the electrical parts diagram. Male blade terminal connectors (page 359) are listed for tractors built from 08/01/1976; match that date range to your serial plate. Ground wire assemblies on page 362 cover production from 01/01/1975. Confirm every part number against the master index before placing your order.
Manual Section: Electrical System & LightingFrequently Asked Questions
What are the replacement specifications for battery?
A dry-charged battery assembly rated BCI 4DLT at 810 CCA (Cold Cranking Amps) is listed as the replacement for models from 1975 onward, with a few exceptions. See page 425 for the full part listing and applicable serial ranges.
What are the replacement specifications for starter motor?
The parts catalog lists at least two starter assemblies depending on build date. The confirmed listing is the 4-1/2" Dia. (Part Number D8NN11000DA) for 1977-1978 models. Additional starter configurations may apply for other years. Check Figure 11N1 or 11G4 in the catalog for components applicable to your serial number.
Does this catalog cover both North American (NHNA) and European (NH-E) builds?
Yes. Where parts differ by market, the figure index flags NHNA (North American) and NH-E (European) build variants, so you can match the correct component to your tractor's build. Check the applicability list shown under each figure number.
How do I find a specific part in this parts catalog?
Parts are organized by figure code. Locate the assembly in the figure index (for example, 01A03 covers the front wheel assembly), then search that figure number in your PDF reader to jump straight to its exploded view and parts list.
Is this Ford 6600 4 CYL AG TRACTOR Parts Catalog a digital download?
Yes, it downloads instantly. The full 724-page searchable Parts Catalog is yours right after payment, ready to open on a laptop, tablet, or phone in the shop.
Am I able to print pages from this manual?
No restrictions: the PDF is DRM-free. Print whatever sections you want to carry out to the shop. Standard letter or A4 paper works fine.










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