Cummins Specs 
			Specifications
			B3.9 		B5.9
			4BT		6BT

ADVERTISED 		HP 110-125 	150-173 HP
			82-93 KW 	112-129 KW
PEAK TORQUE 		346-373 LB-FT 	453-580 LB-FT
			469-506 N.M 	614-786 N.M
NUMBER OF CYLINDERS 	4  		6

OIL SYSTEM 		11.5 U.S. QT  	17.2 U.S. QT
CAPACITY 		10.9 LITERS 	16.3 LITERS

WET WEIGHT 		745-782 LB 	952-997 LB
			338-355 KG 	432-452 KG

LENGTH 			30.6 IN 	40.0 IN
			777 MM 		1016 MM
WIDTH 			24.6 IN 	24.9 IN
			625 MM 		632 MM
HEIGHT 			37.7 IN 	37.9 IN
			958 MM 		963 MM


authoritative info from:  
http://www.everytime.cummins.com/every/misc/brochures.page?