Lehman Super 90

Specification

TYPE
4 cylinders in line. 4 cycle overhead valve naturally aspirated diesel engine.

BORE/STOKE
422 ins x 4.52/1 ins: 107 x 115 mm.

DISPLACEMENT
254 cu ins: 4,150 liters.

GROSS POWER
90 bhp at 2600 rpm.

COMPRESSION RATIO
16-1

FUEL
ASTM 0975 Class 2 0 or BS2B69 Class A1.

OIL CAPACITY
112 US quarts: 10.6 liters (initial fill).

OIL FILTER
Full flow. disposable cartridge. spin on,

FUEL SYSTEM
In line fuel injection pump. engine oil lubricated. with mechanical governor and flexible braided fuel supply line.

ELECTRICAL SYSTEM
12 volt negative ground with stop solenoid. 24-volt negative ground and insulated return 12 or 24 are also available at extra cost.

STARTING MOTOR
12 volt electrical solenoid, 24 volt also available at extra.

ALTERNATOR
70 amp with voltage regulator.

RAW WATER COOLING SYSTEM
Tubular copper or cupro-nickel heat exchanger with zinc anti-corrosion pencil: optional 80% or 100% keel cooling.

RAW WATER PUMP
Gear driven high flow rubber impeller type.

FRESH WATER COOLING SYSTEM
Pressurized fresh water circuit for engine and exhaust manifold.

FRESHWATER CAPACITY
15.84 US quarts: 15 liters.

ENGINE MOUNTINGS
In line or stepped or transmission mounted, adjustable anti-vibration mounts.

MAXIMUM INSTALLATION ANGLE
15 degrees rear down, 4 degrees nose down

DRY WEIGHT LESS TRANSMISSION
1080 lbs: 490 kg.

EXHAUST OUTLET
30-degree water-cooled exhaust elbow or straight dry exhaust flange.

TRANSMISSIONS
Borg Warner, Newage PRM — others available on request.

FINISH
Lehman Red with chrome rocker box, air filter, and filler caps.