Beta 20 Atomic 4 Replacement

Kubota Model: D722

Technical Specifications

  • Cylinders:3
  • Horse Power:67mm / 2.64"
  • Bore:67mm / 2.64"
  • Stroke:68mm / 2.68"
  • Cubic Capacity:719cc / 43.9 ci
  • Weight:106kg / 233 lbs
  • Transmission:TMC 40
  • Alternator:40 amp

Standard Engine Specifications

11.5″ (292mm) mount centers
40 Amp alternator with Serpentine Belt Drive
ABV Instrument Panel
Flexible coupling
Flexible mounts
Heat exchanger cooling
High Inertia Flywheel
Intake silencer / Air filter
Oil change pump (fitted)
Shaft Coupling
Shallow oil pan
Standard exhaust injection elbow
Stop solenoid
TMC 40 transmission

This Engine Meets 2018 Tier 3 Emission Regulations for US EPA and Category 1 Propulsion Engines for Marine Application

Optional Items

Alternator 75 amp with Serpentine Belt Drive System
Flybridge Panel
Hot water Fittings
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 A
Panel – Type ABVW – Water Resistant
Panel – Type B
Panel – Type BW – Water Resistant
Panel – Type C       click here for panel dimensions (all panel types)
Panel – Type CW – Water Resistant
Panel – NMEA 2000 Module (for C or CW panels only)  click for details
Panel – Type D Digital Panel – Compatable NMEA 2000 (click for  specs)
Panel Extension harness with starter relay
Panel Recess with clear lid for B panel    click here for recess dimensions
Panel Recess with clear lid for C panel     click here for recess dimensions
PTO Pulley (twin A sections)
Remote Oil Filter
Standard oil pan

High Rise Exhaust Elbow for 1-5/8″ hose
High Rise Exhaust Elbow for 2″ hose – 150mm rise
High Rise Exhaust Elbow for 2″ hose – 200mm rise
High Rise Exhaust Elbow for 2″ hose – Volvo style cross over

Transmission Options

NOTE: If these specifications don't meet your requirements. Please ask and we will quote you.