ZFM Series

ZF25MA

Name: ZF25MA
Brand: ZF
SKU: ZF-25MA

Part Number: ZF-25MA

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ZF25MA marine transmission by ZF Marine. Maximum input 107 HP (80 kW) at 5000 RPM. Available ratios 2.227, 2.737. Rated for pleasure duty, light duty, medium duty and continuous duty service. ADR Power Systems supplies, installs, services and repairs ZF marine transmissions and stocks ZF parts.

Input Power:107 HP (80 kW)

View on ZF Website

Detailed Specifications

Transmission Specifications

Max Input Power:: 107 HP (80 kW)

Power Ratings

Duty	Ratio (A position)	Ratio (B position)	hp/RPM	RPM	hp	RPM	hp	RPM	hp	Max hp	Max RPM
PD	2.227	2.737	0.0288	3000	86	3600	104	3800	107	107	5000
PD	2.737	2.737	0.0237	3000	71	3600	85	3800	90	107	5000
LD	2.227	2.737	0.0260	2800	73	3000	78	3600	94	96	5000
LD	2.737	2.737	0.0213	2800	60	3000	64	3600	77	96	5000
MD	2.227	2.737	0.0231	2100	49	2500	58	2800	65	85	5000
MD	2.737	2.737	0.0189	2100	40	2500	47	2800	53	85	5000
CD	2.227	2.737	0.0205	1800	37	2300	47	2600	53	76	5000
CD	2.737	2.737	0.0169	1800	30	2300	39	2600	44	76	5000

PD = Pleasure Duty, LD = Light Duty, MD = Medium Duty, CD = Continuous Duty. Reduced power capacity by the following shock factors: 1 cylinder engine ÷ 1.25, 2 cylinder engine ÷ 1.20, 3 cylinder engine ÷ 1.15. Ratings per ZF Marine technical data sheet of 2026-04-02.

Key Features

Maximum input power: 107 HP (80 kW) at 5000 RPM
Gear ratios: 2.227, 2.737
Duty ratings: pleasure duty, light duty, medium duty, continuous duty

Documents

ZF25MA datasheet (PDF)