Bulletin No. 1.60-8 Group No. 1.60 May 4, 2007 Page 1 of 1

Powertech Connecting Rods for Engine Identification

Identification For Power Tech Engines
Connecting Rod Marked*	Piston Pin Bushing I.D.	Rod Bolts*
2.9 Power Tech 3029 D Square Pin End
R107180 / R501072 R121092	32.010 – 32.036 mm 1.2602 – 1.2612 in	NR80033 59 mm / 2.323 in
3029 T
R501073 / R105011 Tapered Pin End	41.300 -41.326 mm 1.626 – 1.627 in	NR501124 61 mm / 2.402 in
4.5 Power Tech
R500000 Square Pin End	34.950 – 34.976 mm 1.3760 – 1.3770 in	NR501124 61 mm / 2.402 in
123959 Square Pin End	34.950 / 34.976 mm 1.3760 – 1.3770 in	NR114083 64 mm / 2.5240 in
R500335 Tapered Pin End	41.300 – 41.326 mm 1.6260 – 1.6270 in	NR501124 61 mm / 2.402 in
R114081 Tapered Pin Rod	41.300 – 41.326 mm 1.6260 – 1.6270 in	NR114083 64 mm / 2.5240 in
6.8 Power Tech
R501072 / R500000 R123959 / Square Pin End	34.950 – 34.976 mm 1.3760 – 1.3770 in	NR501124 / 61 mm / 2.402 in NR114083 / 64 mm / 2.402 in
R500335 Tapered Pin End	41.300 – 41.326 mm 1.6260 – 1.6270 in	NR501124 61 mm / 2.402 in
R114081 Tapered Pin End	41.300 – 41.326 mm 1.6260 – 1.6270 in	NR114083 64 mm / 2.5240 in
8.1 Power Tech
R501034 Tapered Pin End	47.655 – 47.681 mm 1.8762 – 1.8772 in	NR501035 59.49 mm / 2.4342 in
R116340 Tapered Pin End	47.655 – 47.681 mm 1.8762 – 1.8772 in	R66452 63.500 mm / 2.500 in
*Note Bolts are measured from under bolt head or washer to end of bolt.
*Note Connecting rods numbers that start with 500000 are Precision Joint Rods.
*Note Connecting rods numbers that start with 100000 are Tongue and Groove Rods.

Identification For Power Tech Engines
Connecting Rod Marked*	Piston Pin Bushing I.D.	Rod Bolts*
2.9 Power Tech 3029 D
R107180 / R501072 R121092	32.010 – 32.036 mm 1.2602 – 1.2612 in	NR80033 59 mm / 2.323 in
Square Pin End
3029 T
R501073 / R105011	41.300 -41.326 mm 1.626 – 1.627 in	NR501124 61 mm / 2.402 in
Tapered Pin End
4.5 Power Tech
R500000 Square Pin End	34.950 – 34.976 mm 1.3760 – 1.3770 in	NR501124 61 mm / 2.402 in
123959 Square Pin End	34.950 / 34.976 mm 1.3760 – 1.3770 in	NR114083 64 mm / 2.5240 in
R500335 Tapered Pin End	41.300 – 41.326 mm 1.6260 – 1.6270 in	NR501124 61 mm / 2.402 in
R114081 Tapered Pin Rod	41.300 – 41.326 mm 1.6260 – 1.6270 in	NR114083 64 mm / 2.5240 in
6.8 Power Tech
R501072 / R500000 R123959 / Square Pin End	34.950 – 34.976 mm 1.3760 – 1.3770 in	NR501124 / 61 mm / 2.402 in NR114083 / 64 mm / 2.402 in
Square Pin End
R500335	41.300 – 41.326 mm 1.6260 – 1.6270 in	NR501124 61 mm / 2.402 in
R114081	41.300 – 41.326 mm 1.6260 – 1.6270 in	NR114083 64 mm / 2.5240 in
Tapered Pin End
8.1 Power Tech
R501034	47.655 – 47.681 mm 1.8762 – 1.8772 in	NR501035 59.49 mm / 2.4342 in
R116340	47.655 – 47.681 mm 1.8762 – 1.8772 in	R66452 63.500 mm / 2.500 in
Tapered Pin End
*Note Bolts are measured from under bolt head or washer to end of bolt.
*Note Connecting rods numbers that start with 500000 are Precision Joint Rods.
*Note Connecting rods numbers that start with 100000 are Tongue and Groove Rods.