DS-ZF 286 Iv

Marine Propulsion Systems
ZF 286 IV
14° V-drive, direct mount marine transmission.
Description
Reverse reduction marine transmission with hydraulically actuated multi-disc clutches .
Suitable for high performance applications in luxury motoryachts, sport fishers, express cruisers etc .
Robust design also withstands continuous duty in workboat applications .
Fully works tested, reliable and simple to install .
Compatible with all types of engines and propulsion systems, including waterjets and surface- piercing
propellers, as applicable .
Design, manufacture and quality control standards comply with ISO 9001 .
Features
Lightweight and robust aluminum alloy casing (sea water resistant) .
Case hardened and precisely ground gear teeth for long life and smooth running .
Output shaft thrust bearing designed to take maximum propeller thrust astern and ahead .
Smooth and reliable hydraulic shifting with control lever for attachment of push-pull cable .
Suitable for twin engine installations (same ratio and torque capacity in ahead or astern mode) .
Replaceable oil filter cartridge .
"SUPERSHIFT" clutch control .
Options
SAE 1, SAE 2 and SAE 3 bell housings .
Engine-matched torsional coupling .
Electric clutch control (12 or 24 VDC) .
Oil cooler complete with fittings and flexible oil hoses .
Propeller shaft flange and coupling bolt sets .
Mounting brackets .
Classification by all major Classification Societies on request .
Mechanical or Electrical Trolling Valve for slow-speed drive .
Supershift (with Autotroll and Easidock) .
Last Updated:12:12 PM GMT - 15-Dec-11

ZF 286 IV
Ratings
Pleasure Duty
MAX. TORQUE POWER/RPM INPUT POWER CAPACITY MAX.
RATIOS
Nm ftlb kW hp kW hp kW hp kW hp RPM
2500 rpm 2800 rpm 3300 rpm
1.266, 1.535, 1.815, 2.011 1638 1208 0.1715 0.2300 429 575 480 644 566 759 3300
2.322 1547 1141 0.1620 0.2172 405 543 454 608 535 717 3300
2.539 1424 1050 0.1491 0.2000 373 500 418 560 492 660 3300
* Special Order Ratio.

ZF 286 IV
Ratings
Light Duty
RATIOS
2100 rpm 2500 rpm 2800 rpm
1.266, 1.535, 1.815, 2.011 1475 1088 0.1545 0.2071 324 435 386 518 432 580 3300
2.322 1353 998 0.1417 0.1900 298 399 354 475 397 532 3300
2.539 1310 966 0.1372 0.1840 288 386 343 460 384 515 3300

ZF 286 IV
Ratings
Medium Duty
RATIOS
2100 rpm 2500 rpm 2800 rpm
1.266, 1.535, 1.815, 2.011 1100 811 0.1152 0.1545 242 324 288 386 323 432 3300
2.322 1037 765 0.1086 0.1456 228 306 271 364 304 408 3300
2.539 1006 742 0.1053 0.1413 221 297 263 353 295 396 3300

ZF 286 IV
Dimensions
mm (inches)
Angle A B1 B2 H1 H2 L L1 L2 L3 Bell Hsg.
14.0 358 (14.1) 185 (7.28) 225 (8.86) 100 (3.94) - 212 (8.35) 322 (12.7) 165 (6.50) 223 (8.76)
Weight kg (lb) Oil Capacity Litre (US qt)
130 ( 286) 5.00 (5.30)
SAE Bell Housing Dimensions

Bolt Holes
A B C
SAE No. Diameter
No.
mm in mm in mm in mm in
1 511.18 20.125 530.23 20.875 552.45 21.75 12 11.91 15/32
2 447.68 17.625 466.73 18.375 488.95 19.25 12 10.32 13/32
3 409.58 16.125 428.63 16.875 450.85 17.75 12 10.32 13/32
Output Coupling Dimensions

Bolt Holes
A B C D
Diameter (E)
No.
mm in mm in mm in mm in mm in
146 5.75 121 4.75 76.2 3.00 14.0 0.55 6 16.2 0.64
Last Updated:12:12 PM GMT - 15-Dec-11 Refer to the Installation Drawing for detail.
ZF 286 IV
Technical Notes
Duty Definitions
PLEASURE DUTY DEFINITION Highly intermittent operation with very large variations in engine speed and power
Average engine operating 500 hours/year
hours limit: 300 hours/year for mechanical gearboxes
Typical hull forms: Planing.
Typical applications: Private, non-commercial, non-charter sport/leisure activities.
LIGHT DUTY DEFINITION Intermittent operation with large variations in engine speed and power
Average engine operating 2500 hours/year
hours limit: (for hydraulic gearboxes smaller than the ZF 650 series, 2000 hours/year).
Typical hull forms: Planing and semi-displacement.
Typical applications: Private and charter, sport/leisure activities, naval and police activities.
MEDIUM DUTY DEFINITION Intermittent operation with some variations in engine speed and power
Average engine operating 4000 hours/year.
hours limit: 3500 hours/year for gearboxes smaller than ZF 2000 series and workboat ZF W2700 series.
Typical hull forms: Semi-displacement and displacement
Typical applications: Charter and commercial craft (example: crew boats and fast ferries), and naval and police activities.
Duty Ratings
Ratings apply to marine diesel engines at the indicated speeds. At other engine speeds, the respective power capacity (kW) of the transmission can
be obtained by multiplying the Power/Speed ratio by the speed.
Approximate conversion factors:
1 kW = 1.36 metric hp
1 kW = 1.34 U.S. hp (SAE)
1 U.S. hp = 1.014 metric hp
1 Nm = 0.74 lb.ft.
Ratings apply to right hand turning engines, i.e. engines having counterclockwise rotating flywheels when viewing the flywheel end of the engine.
These ratings allow full power through forward and reverse gear trains, unless otherwise stated.
Contact your nearest ZF Sales and Service office for ratings applicable to gas turbines, gasoline (petrol) engines, as well as left hand turning engines,
and marine transmissions for large horsepower capacity engines.
Ratings apply to marine transmissions currently in production or in development and are subject to change without prior notice.
NOTE: THE MAXIMUM RATED INPUT POWER MUST NOT BE EXCEEDED (SEE RESPECTIVE RATINGS IN THE TECHNICAL DATA SHEETS)
Safe Operating Notice

The safe operation of ZF products depends upon adherence to technical data presented in our brochures. Safe operation also depends upon proper
installation, operation and routine maintenance and inspection under prevailing conditions and recommendations set forth by ZF. Damage to
transmission caused by repeated or continuous emergency manoeuvres or abnormal operation is not covered under warranty. It is the responsibility
of users and not ZF to provide and install guards and safety devices, which may be required by recognized safety standards of the respective country
(e.g. for U.S.A. the Occupational Safety Act of 1970 and its subsequent provisions).
Monitoring Notice
The safe operation of ZF products depends upon adherence to ZF monitoring recommendations presented in our operating manuals, etc. It is the
responsibility of users and not ZF to provide and install monitoring devices and safety interlock systems as may be deemed prudent by ZF. Consult
ZF for details and recommendations.
Torsional Responsibility and Torsional Couplings

The responsibility for ensuring torsional compatibility rests with the assembler of the drive and driven equipment. ZF can accept no liability for gearbox
noise caused by vibrations or for damage to the gearbox, the flexible coupling or to other parts of the drive unit caused by this kind of vibration.
Contact ZF for further information and assistance. ZF recommends the use of a torsional limit stop for single engine powered boats, wherein loss of
propulsion power can result in loss of control. It is the buyer's responsibility to specify this option, which can result in additional cost and a possible
increase in installation length.
ZF can accept no liability for personal injury, loss of life, or damage or loss of property due to the failure of the buyer to specify a torsional limit stop.
ZF selects torsional couplings on the basis of nominal input torque ratings and commonly accepted rated engine governed speeds. Consult ZF for
details concerning speed limits of standard offering torsional couplings, which can be less than the transmission limit. Special torsional couplings may
be required for Survey Society Ice Classification requirements.
12:12 PM GMT - 15-Dec-11 Driveline and Chasis Technology

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Marine Propulsion Systems

Last Updated:12:12 PM GMT - 15-Dec-11

Last Updated:12:12 PM GMT - 15-Dec-11

Last Updated:12:12 PM GMT - 15-Dec-11

Last Updated:12:12 PM GMT - 15-Dec-11

SAE Bell Housing Dimensions

Output Coupling Dimensions

1 kW = 1.34 U.S. hp (SAE)

1 U.S. hp = 1.014 metric hp

Safe Operating Notice

Torsional Responsibility and Torsional Couplings

12:12 PM GMT - 15-Dec-11 Driveline and Chasis Technology

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