FOR SALE ZF 85A Marine Transmission Gear Box Ratio 1.96:1. Designed for yachts and light applications such as motor boats, fishing boats, and cruisers.

This is a ZF 85 A marine transmission (also known as ZF Hurth 85A or successor to HSW800A), an 8° down-angle reverse-reduction gearbox with hydraulically actuated wet multi-disc clutches.

Key Specifications

• Model — ZF 85 A
• Reduction Ratios — Label shows 1.96:1 (likely primary) and 1.26:1 (possible secondary/configuration); standard available ratios include 1.26:1, 1.56:1, 1.75:1, 1.96:1, and 2.50:1 (identical forward/reverse)
• Dry Weight — 69 kg (152 lbs)
• Oil Capacity — 5.5 liters (approx. 5.8 quarts)
• Oil Type — ATF (Automatic Transmission Fluid) meeting Dexron III or Detroit Diesel Allison C-4 specifications
• Down Angle — 8°
• Configuration — Direct mount, aluminum die-cast housing

Additional Standard Specs for ZF 85 A Series

• Clutch Type → Hydraulically actuated wet multi-disc (full reversing)
• Duty Ratings → Pleasure/light duty (intermittent high power); exact HP/kW varies by ratio, engine speed, and application (typically up to ~300-400 HP—consult ZF for specifics)
• Options Available → Mechanical or electric shift, trolling valve, live PTO