ZF25–85 Series

ZF25A

Name: ZF25A
Brand: ZF
SKU: ZF-25A

Part Number: ZF-25A

Quote Required: This product requires a custom quote. Contact us for pricing and availability.

ZF25A marine transmission by ZF Marine. Maximum input 240 HP (179 kW) at 5500 RPM. Available ratios 1.548, 1.926, 2.292, 2.714 (special order: 2.480). Rated for pleasure duty, pleasure duty (gasoline), 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:240 HP (179 kW)

View on ZF Website

Detailed Specifications

Transmission Specifications

Max Input Power:: 240 HP (179 kW)

Power Ratings

Duty	Ratios	hp/RPM	RPM	hp	RPM	hp	RPM	hp	Max hp	Max RPM
PD	1.548, 1.926	0.0436	3000	131	3600	157	3800	166	240	5500
PD	2.292	0.0351	3000	105	3600	126	3800	133	193	5500
PD	2.480*	0.0371	3000	111	3600	134	3800	141	204	5500
PD	2.714	0.0337	3000	101	3600	121	3800	128	185	5500
PD-G	1.548, 1.926	0.0436	3000	131	3600	157	3800	166	240	5500
PD-G	2.292	0.0351	3000	105	3600	126	3800	133	193	5500
PD-G	2.480*	0.0371	3000	111	3600	134	3800	141	204	5500
PD-G	2.714	0.0337	3000	101	3600	121	3800	128	185	5500
LD	1.548, 1.926, 2.292, 2.480*	0.0334	2100	70	2500	84	2800	94	184	5500
LD	2.714	0.0321	2100	67	2500	80	2800	90	177	5500
MD	1.548, 1.926, 2.292, 2.480*	0.0286	2100	60	2500	72	2800	80	157	5500
MD	2.714	0.0272	2100	57	2500	68	2800	76	150	5500
CD	1.548, 1.926, 2.292, 2.480*	0.0231	1800	42	2100	49	2400	55	74	3200
CD	2.714	0.0223	1800	40	2100	47	2400	54	71	3200

PD = Pleasure Duty, PD-G = Pleasure Duty (gasoline), LD = Light Duty, MD = Medium Duty, CD = Continuous Duty. * Special-order ratio. Ratings per ZF Marine technical data sheet of 2026-04-02.

Key Features

Maximum input power: 240 HP (179 kW) at 5500 RPM
Gear ratios: 1.548, 1.926, 2.292, 2.714
Special-order ratios: 2.480
Duty ratings: pleasure duty, pleasure duty (gasoline), light duty, medium duty, continuous duty

Documents

ZF25A datasheet (PDF)