S5-47 Manual Trans for Ford 1996-1997 F-series 7.5L 2WD, 5 Speed

Description

A 4.14:1 close ratio first gear paired with 470 lb-ft continuous input torque capability accelerates loaded big block commercial flatbed trucks up steep highway grades using the ZF S5-47 Remanufactured Manual Transmission built for 1996 to 1997 Ford F-Series two-wheel drive work trucks powered by the 7.5-liter 460 cubic-inch V8 engine platform.

The one-piece cast aluminum casing incorporates the specialized 385-series big block bell housing pattern to mount straight to 7.5-liter Ford V8 blocks. Multi-cone brass synchronizers on forward gears eliminate gear clash during high-load gear changes. Precision-machined 8620 alloy steel cluster gears absorb severe shock loads from high-displacement gas engines. Bare dry weight measures 175 lbs. Fluid capacity holds 3.4 quarts of synthetic Mercon ATF fluid circulating past magnetic inspection bungs.

Key Features of ZF S5-47

Fleet operations managers choose to buy ZF S5-47 remanufactured transmission units to restore positive manual gear selection to high-mileage big block work trucks. Complete factory overhaul procedures eliminate gear grinding and shaft deflection under continuous full gross vehicle payloads.

• Integral big block Ford bell housing pattern bolts straight to 7.5L 460 engine blocks.
• Carbon-composite synchronizers prevent gear grinding during loaded highway downshifts.
• Induction-hardened helical gearsets absorb 470 lb-ft continuous input engine torque.
• Upgraded shift detent springs hold shift rails firm to prevent gear pop-out.
• Heavy-duty tapered roller bearings support mainshaft loads under severe tongue weight.
• Precision dial indicator checks hold shaft endplay within strict factory limits.
• Tested ZF S5-47 gear trains provide quiet gear mesh across all speed ranges.
• Viton front and rear oil seals prevent fluid leaks under high operating temperatures.

Big Block Gearing Torque Capacities

The 5-speed manual gear set provides close ratios consisting of 4.14:1 in first, 2.37:1 in second, 1.42:1 in third, 1.00:1 in fourth, and 0.77:1 in fifth gear overdrive. Continuous duty designation supports up to 470 lb-ft continuous input torque at 2,200 RPM. Close ratio spacing keeps high-displacement big block engines inside their peak torque curve during highway hill climbs. External housing cooling fins radiate heat to hold lubricant sump temperatures below 180°F under demanding commercial hauling conditions.

Big Block Spline Driveline Fitment

A 10-spline 1.25-inch diameter input shaft slides flush into standard 12-inch clutch friction discs without binding. The two-wheel drive rear output shaft accepts standard driveshaft slip yokes with total dial indicator runout held under 0.002 inches. Tailhousing oil seals resist highway grime and prevent fluid loss onto universal joints.

Big Block Transmission Field Guidelines

Inspect clutch hydraulic release cylinder travel to verify complete clutch plate separation prior to vehicle road testing. Replenish the transmission through the side fill bung using synthetic Mercon ATF fluid. This unit is not engineered for closed-course drag strip racing, extreme rock crawling, or gross combined vehicle weights exceeding factory chassis tow limits.

• Inspect casing joints and rear output seals for fluid seepage each shift.
• Drain transmission lubricant and clean magnetic plugs every 30,000 miles.
• Check manual shift lever boot and internal pivot bushings every 12 months.

Commercial Fleet Warranty Transit Manifest

Protected by an industry-leading 3-Year / 100,000-Mile commercial fleet warranty covering certified parts and labor. Each heavy wooden shipping pallet holds one remanufactured manual transmission, sealed PTO cover plate, new throwout bearing, installation manual, and signed rotational bench inspection report.