Cummins 4BT 3.9 Piston (m): 0187
Engine Series: B
Engine Model: 4BT 3.9
Engine Data: TURBOCHARGED EMISSION
Engine Info: 4 Cyl
Engine Dimensions: 239 Cubic Inch
Bore: 4.02 in / 102 mm
Stroke: 4.72 in / 119 mm
Piston (m): 0187
Equipment Models
Cummins CPL’s: 1963, 2264
Timberjack: 230 – Forwarder
YTO: LRS1016 – Pneumatic Roller
Rocker Arm RH | 4.248.2 Perkins | P41151484
Piston & Ring Kit std | 1103C-33 Perkins Engine | P4115P011
Main Bearing 0.020 | G4.236 Perkins | P81558B 



