Northart
Senior Member
Just for a little history ; of the Largest Caterpillar Pipelayers , or Sidebooms.
1. Cat 594 Built 1966-'75, 385 hp, 200K lift capacity
2. Cat 594H , 1975-'86, 410 hp, 200K lift cap.
3. Cat 589, 1986-'06, 420 hp, 230K lift cap.
4. Cat 591, 1989 (one only), 520 hp, 350K lift cap.
5. Cat 587R, 2006-'08, 351 hp, 202K lift cap.
6. Cat 587T, 2006-'08, 366 hp, 202K lift cap.
And here's a picture of a Cat 587T sideboom in NC Machinery's yard. Headed for Prudhoe Bay after some revisions, like a cab, engine covers,etc.
1. Cat 594 Built 1966-'75, 385 hp, 200K lift capacity
2. Cat 594H , 1975-'86, 410 hp, 200K lift cap.
3. Cat 589, 1986-'06, 420 hp, 230K lift cap.
4. Cat 591, 1989 (one only), 520 hp, 350K lift cap.
5. Cat 587R, 2006-'08, 351 hp, 202K lift cap.
6. Cat 587T, 2006-'08, 366 hp, 202K lift cap.
And here's a picture of a Cat 587T sideboom in NC Machinery's yard. Headed for Prudhoe Bay after some revisions, like a cab, engine covers,etc.