BOLLARD 65kW Marine Generator
Drawings or pictures may show non-standard equipment.

BOLLARD™ 50kW Marine Generator

SKU: MGP50 Category: Tags: ,

Designed & built in the US specifically for commercial use and customizable to meet the demands of your vessel.

Built with John Deere 4045TFM marine engines.

EPA certified Tier 3 Marine, CARB, EU & MOC


Standard Equipment

  • John Deere 1800 RPM, EPA/CARB certified Tier 3 marine diesel engines
  • Marathon motor start generator rated 80C/40C for maximum electrical efficiency
  • Dedicated PMG excitation with 300% short circuit protection and VFD compatibility
  • Digital parallelable automatic voltage regulator – .25% voltage regulation no load to full load
  • Remote start digital control panel with J1939 diagnostics and 3′ extension harness
  • Automatic safety shutdowns for low oil pressure, high water temp and over speed
  • Structural steel welded base frame with vertical and horizontal gusset supports
  • Coast Guard approved JIC fuel supply and return line fittings installed
  • Isoflex™ anti-vibration mounts between engine/generator and base frame
  • Closed crankcase engine ventilation filter system
  • Dry element cleanable combination air intake filter/intake silencer
  • Dry exhaust elbow with mating flange, high temperature gasket and stainless hardware
  • Coolant recovery bottle
  • Starter and alternator 12V std on 40kW-150kW, 24V std 200kW-385kW
  • Imron™ two-part epoxy marine paint for maximum corrosion protection
  • Stainless steel fasteners and powder coated accessory brackets
  • All generators are calibrated, and load tested under full load before shipment
  • Single phase 4 wire generators are oversized to allow full load single phase output 105/40c @ 1.0PF
  • Three phase generators are 12 lead reconnectable voltage, 50Hz or 60HZ
  • Heat exchanger cooled engines include bronze gear driven raw water pumps and Cu/Ni HE cores
  • Stainless steel water injected exhaust elbows are Included with HE cooled engines

Download the brochure


Engine TypeIn-Line | 4 Cycle |  4 Cylinder | Diesel
Displacement – L ( (274.6)
Bore x Stroke – mm (in)106 (4.17) x 127 (5.00)
Oil Sump Capacity – qts (L)19 (18)
Emission RegulationEPA Commercial Marine Tier 3
Prime – 60hz, 1800RPM (HP)50kW (68.5
Standby – 60hz, 1800RPM(HP)55kW (73.7)
Motor Starting Range – HP23.5 – 39.75 (Code G Motor @ 208VAC)
Voltage Regulation+/-1%
Starter12v | 4.5 kW
Alternator12v | 75 Amp
Operating Angle – Degrees20 (Constant) | 30 (Intermittent)
Dry Weight – lbs1992 (engine, 287 gen, skid)
Length x Width x Height – in(See details in brochure)


Single Circuit Keel Cooling Package
Single Circuit Heat Exchange Package
Single Circuit Marine Radiator Package

Motor Starting Upgrade Options
(Code G Motor @ 208VAC)
Up to 1:1 HP per kW

Air Intake & Filtration
K&N Air Filters
Donaldson Air Silencer
Closed Crank Case Vent Loop

Controls & Instrumentation
Control Panel
Custom Harness Length
Auxiliary Start Panel
Auto Start/Stop
Pre-Alarm Senders
AC Meter Panel
Low Coolant Level Shutdown
High Water Temp. Shutdown
Low Oil Pressure Shutdown
Low Oil Level Gauge/Shutdown
Overspeed Shutdown
Paralleling & Load Share
Over-Voltage Alarm
Over-Current Alarm
Under-Current Alarm

DC Electrical System
Battery: 12v | 24v
Battery Rack & Cables
Battery Isolation Switch

Fuel-Lube Oil System
SCOR™ Oil Regeneration System
Oil Drain Extension W/ Valve
Oil Drain Pump to Engine
Move Dipstick To Opposite Side
High/Low Oil Level Shut Down
Custom Oil Drain Hose Length
Single Side Service
Lube Oil Drip Pan

SS Wet Exhaust Mixing Elbow
Dry Exhaust Matching Flange
SUPERFLEX™ Exhaust Bellows
Cowl & EM Exhaust Silencers
Heat Recovery Silencer

Power Take Off
SEADRIVE™ Clutched Front PTO
Clutch: Air | Oil | Electric
SEADRIVE™ Direct Drive Front PTO
Aux. A/B 2 Sheave Universal Pulley
Aux. A/B 4 Sheave Universal Pulley
Additional Belts

Additional Options
Sea Trial Start-Up
MER Site Start-Up w/ Load Bank
Custom Frame / Skid
Dual Vibration Isolation Mounts
Custom Sound Enclosure
Galvanized or Powder Coated Skids & Accessories
Racor Fuel Water Separator