1981–1991 Ford 7610 4-Cylinder Agricultural Tractor Parts Manual

This illustrated parts manual covers 1981–1991 Ford 7610 4-cylinder agricultural tractors, including 2WD, 4WD, Mudder and cab configurations. More than 100 exploded assembly views and matching parts lists support component identification and repair planning.

• Engine and fuel system: Parts breakdowns for cylinder blocks, heads, manifolds, turbochargers and injection-pump assemblies, including inline and DPS rotary configurations.

• Transmission and PTO: Dual Power Assembly drawings, synchronized and non-synchronized gearboxes, reduction gearboxes, clutch components and single-speed or two-speed shiftable PTO assemblies.

• Axles and wheels: Standard, power-adjustable and dual rear wheels, heavy-duty front axles, Limited Slip Differential drawings and Mudder rear-axle components.

• Hydraulics and brakes: Hydraulic Lift Cylinder illustrations, pump assemblies, power-steering gears and motors, remote-control valves, brake linkages and hydraulic trailer-brake parts.

• Electrical equipment: Main and rear wiring-harness layouts, starter motors, alternators, instrument clusters and field-monitor components identified through numbered illustrations and parts tables.

• Cab and accessories: Bostrom suspension-seat assemblies, Q-Cab and LP-cab equipment, air-conditioning compressors, heater/evaporator parts, ROPS canopies and swinging drawbars.

This catalog suits mechanics and owners who can identify the tractor’s installed assemblies and interpret the applicability notes in a parts list.

Axle, Transmission and PTO Parts

Front-drive sections distinguish APL-325, APL-335, APL-345/350 and 709-19 assemblies, with separate reduction-gear and Mudder drop-trumpet rear-axle groups. These distinctions help match housings, gears and seals before ordering.

The APL-325 transfer-case listings without a transmission handbrake include ring applications before axle S/N 3442 and after axle S/N 3443. Steering-cylinder notes also flag caps updated to APL-335 style, making the fitted cap relevant to seal and retainer selection.

Transmission tables separate column-shift and H-pattern controls, with and without Dual Power. The PTO shaft and clutch-plate replacement notes identify matched components; mixing incompatible spline versions risks damage to their mating surfaces.

Engine, Hydraulic and Brake Assemblies

Engine drawings break out crankshaft and flywheel components, pistons, connecting rods and lubrication parts. DPS rotary injection-pump illustrations separate the upper and lower assemblies, with individual component lists.

Hydraulic sections distinguish engine-mounted pumps from the rear pump assembly and cover lift controls, load-monitor hardware and remote valves. Parts tables also identify component dimensions and valve ratings.

Brake linkages and pedals are separated by cab and open-station arrangements. The hydraulic trailer-brake illustration points to a separate service bulletin for brake-performance information.

This is a parts catalog, not a step-by-step overhaul guide. Brake, steering and pressurized-hydraulic repairs require the appropriate service procedures and safety instructions alongside these parts references.

Electrical, Cab and Accessory Details

Electrical illustrations show harness locations and associated components rather than circuit schematics for fault tracing. Mechanical and electronic instrument-cluster listings distinguish the matching field-monitor and performance-monitor equipment.

Cab interior trim, wafer weights and seat options have their own parts groups. Some groups provide parts lists without artwork, including LP-cab electrical equipment and performance-monitor kits.

Shared tables name other 10 Series models, so individual application notes remain important. Some center-housing entries for 5610 and 6610 models from 11/91 refer to separate catalog FNH-17451; that catalog is not included.

A Preview of Wheel and Fastener Identification Data

These examples show a small selection of the dimensions used to identify parts in this catalog.

The Front Wheel Assembly table pairs a 5.50 x 16-inch wheel with a 7.50 x 16-inch tire. It also lists front-wheel hub bolts as 1/2"-20 x 1-3/4", specifying the thread and length rather than a tightening torque.

The hardware-conversion appendix cautions that dimensional substitutions do not make metric and inch threads interchangeable.

PDF Search, Bookmarks and Page Breakdown

Text search and navigation: Parts tables, figure headings and index text are searchable; reference numbers inside the drawings are not. Bookmarks open the search guide, index, catalog and reference appendices. Dense illustrated callouts benefit from zooming.

One printable 963-page PDF contains 937 catalog pages, a seven-page Figure Search index, a one-page search guide and 16 pages of abbreviation and hardware references. One nontechnical introductory page and one blank page are also included in the total.