4BT 3.9L cummins marine diesel engine

Product Details

4BT turbo diesel cummins marine engine is marinised worldwide, here we provide

3 power range for this model

Engine Technical Datasheet

In-line, 4 Cylinder, 4 Cycle, Turbo Diesel Cummins marine Engine
Reference model	4BT3.9-M80	4BT3.9-M100	4BT3.9-M105
Bore×Stroke	102mm×120mm
Displacement	3.9L	3.9L	3.9L
Rated Power/Speed	80HP/2000rpm	100HP/2200rpm	105HP/2400rpm
Lubricant Capacity	9L
Net Weight	385kg
Overall Dimension	930765910mm
Cooling Way	Heat exchanger, sea water pump

Test Condition

Standard Air Intake Temperature	25℃
Air Intake Pressure	100kPa
Standard Light Diesel	0# or –10# Light Diesel
Fuel Intake Temperature	40℃
Air Intake Restriction	254mmHg
Exhaust Back Pressure	76mmHg
Lubricant Oil	15W40-CF4 Upgrade

Design Characteristic

Belt drive system : 4BT marine engine Belt drive system with tensioner offering automatic belt tension.

Maintenance: Both cylinder bore and cylinder head valve guide tube can be repaired by resisting.

Connecting rod: 4BT marine inboard engine Alloy steel with high strength and inclined cutting.

Crankshaft: Alloy steel with whole bearing supporting and bearing and round corner harden.

Cylinder block: Dragon door style cylinder block without liner and with water pump turbo house resisted.

Cummins 4BT Fuel system: BYC A fuel injection pump with electrical governor.

Garret turbocharger: Bypass high efficient turbocharger.

Piston: 4BT propulsion engine Silicon- aluminium alloy piston with dual Ni-resist and oil cooling.

Starting function: Be started at -12℃ without assistant installation; Be started at -35℃ with assistant installation.

Fuel consumption: 4BT marine diesel engine Excellent fuel consumption with B.S.F.C 215g/kw.h.

Construction characteristic: Simple and compact construction, fewer components and light weight.

Related Tags: 3.9L cummins marine engine 4BT marine engine 4BT marine diesel engine