H500A

Vertical Reduction Hydraulic Marine Gearbox

Maximum Power: 500 Hp (370 Kw)
A hydraulic marine gearbox with 80 down angle shaft, twin countershaft designed, separated oil-operated multi-disc clutches for ahead and astern drive allowing full rated power to be transmitted continuously in either direction.
Due to forward and astern gear ratios are same convenient to twin engine installations.
Consists of two separate halves to facilitate servicing.The oil pump and hydraulic control valves being externally designed for easy accessibility.
Soft gear lever provides controlling facility with spiral remote control.
Suitable for high performance applications, pleasure and heavy duty conditions in fishing and tour boats.
Fully works tested, reliable and simple to install.
The hydraulic system is nevertheless provided with a mechanical lock-up device for added security, so that in the unlikely event of hydraulic failure the boat can be brought safely back to port. Access to this device is via a detachable cover located on top of the main gearcase.
PTO(Power take off) presents as an optional extra convenient to engine rpm.
In case of proper usage according to safety usage conditions, proper engine, shaft, propeller selection and errorless assembling occured has 2 years warranty.
Design and manufacturing activities of all Baysan’s products comply with ISO 9001:2008.

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Technical Details

Technical Details

Maximum input power limit
Pleasure duty – 500 Hp (370 Kw)
Heavy Duty – 300 Hp (224 Kw)
Maximum input rpm limit
4000 RPM.
Reduction ratio
Standard : forward 2,40:1, reverse 2,30:1 Optionel : forward 3,:1 reverse 3,60:1
Oil type
SAE 20W50/75W90
Oil capacity
6 lt. +Plus reqired amount to fill the cooling unit.
Weight without flange
135 kg.
Standard rotation
In anti-clock wise standard engines, when the control lever is in forward, output shaft rotates clockwise rotation. In clockwise engines, shaft rotates anti-clockwise rotation. Input rotation can be changeable simply by turning the oil pump through 180°.
Dimensions

Dimensions

Pleasure Duty

Pleasure Duty

RATIOS MAX. TORQUE POWER MAX. POWER MAX. RPM
(A) Pos. (B) Pos. Nm Kw Hp Kw Hp Kw Hp Kw Hp
2500 rpm 2800 rpm 3200 rpm
2,5 2,5 880 9,43 12,64 235 316 263 353 300 404 3800
3 3 800 8,58 11,50 214 287 240 322 275 368 3800
3,6 3,6 800 8,21 11,00 214 287 240 322 275 368 3800
Max. Input Power 330 kW

Heavy Duty

Heavy Duty

RATIOS MAX. TORQUE POWER MAX. POWER MAX. RPM
(A) Pos. (B) Pos. Nm Kw Hp Kw Hp Kw Hp Kw Hp
2500 rpm 2800 rpm 3200 rpm
2,5 2,5 624 6,68 8,95 167 224 187 251 214 286 3900
3 3 624 6,68 8,95 167 224 187 251 214 286 3900
3,6 3,6 624 6,68 8,95 167 223 187 250 213 286 3900
Max. Input Power 215 kW