This engine is suitable for boats with displacement of 17-22 tons with a water line legth (LWL) of 46-50 feet.
Horse Power
Cylinders
Bore
Stroke
Cubic Capacity
Weight
Transmission
Alternator
85 @ 3000 rpm
4
94mm/3.7"
120mm/4.72"
3331cc /203.3 ci
359kg / 790 lbs
TM345
70 Amp
The Beta 85 is a 4 cylinder diesel propulsion engine developing 85 bhp at 3,000 rpm with a swept volume of 3331 cc.
The Beta 85 Diesel Propulsion Engine
Technical Specifications
Standard Options
70 Amp alternator with Serpentine Belt drive
C Instrument Panel
Flexible mounts
Heat exchanger cooling
High Inertia Flywheel
High Rise Exhaust Elbow for 3.5″ hose
Intake silencer / Air filter
Oil change pump (fitted)
Stop solenoid
Transmission Options
Transmission : standard - TM345
Bobtail : No gearbox but with drive plate or with Velvet Drive adation kit
PRM 260 : (Hydraulic) 1.96:1 / 2.94:1
PRM 500 : (Hydraulic) 1.94:1 / 2.5:1 / 2.9:1
ZF 45 : 12 degree V-drive (hydraulic) 1.56:1 / 1.99:1 / 2.47:1
ZF63IV : 12 degree V-drive (hydraulic) 1.56:1 / 1.99:1 / 2.47:1
TM 345 : 2:1 / 2.47:1
TM 345 A : 8 degree Down Angle 2.03:1 / 2.43:1
TM 93 : 2.09:1 / 2.4:1 / 2.77:1
TM 93 A : 8 degree Down Angle 2:091 / 2.4:1
Upgrade Options
Alternator 120 amp with Serpentine Belt Drive System
Alternator 175 amp with Serpentine Belt Drive System in standard position (internally regulated)
Alternator 120 amp, Balmar, with Serpentine Belt Drive System
2nd Alternator 175 Amp (12v), engine mounted
Flexible coupling
Flybridge Panel
Hot water Fittings
Insulated Ground Electrical with 100 amp Alt
Insulated Ground Electrical with 70 amp Alt
Keel cooling
Long term storage (test run on Ensis oil and Calibration fluid)
Mount and pulley for Sea Frost compressor
Panel – Type CW – Water Resistant Panel specs
Panel – Type D Digital Panel – Compatable NMEA 2000
Panel Extension harness with starter relay
Panel Recess with clear lid for C panel click here for recess dimensions
PTO Pulley (twin A sections)
Rear facing raw water pump
Remote Oil Filter
Shallow oil pan
Data Sheet
Downloads & Support
Schematics with PRM 260
Schematics with TM 345
Schematics with 72C