Model 120-400-C PEMCO Mast

HEIGHT: 120 feet clear height, double tubing

RATING: Maximum rated static hook load

 370,000 pounds with 8 lines strung

 400,000 pounds with 10 lines strung

COLUMN LEGS: 3" x 7" x 3/8" wall Hi-tensile tubing

BRACES: 1 1/2" x 3" x 1/8" wall Hi-tensile tubing 

BASE SECTION: 4-Leg Model (2 legs to ground, 2 legs to rear of rig)

 Turnbuckle tilting with 4" screws in legs to ground 

TUBING BOARD: Capacity 25,000 feet 2 7/8" tubing 

 Fingers for end racking & adjustable for any size tubing

 Board raises & lowers automatically with lines in tension at all times

 Mounts at 58, 65 or 73 feet above ground level

HYDRAULICS: 2 Scoping rams & 2 push-pull raising rams - chrome plated

 Controls for raising, lowering & scoping derrick 

 Operates off rig hydraulic system

CROWN: 1-42", 4-30" & 1-24" Timken bearing sheaves-hardened grooves

 1-42" & 1-24" Single sheaves in line for 1 1/8" W.L.

 1-30" Quad sheave cross-mounted for 1 1/8" W.L.

 2-12" Catline sheaves

DERRICK LOCKS: Top section of derrick locks to bottom section when four load pins  extend activated by two springs.  Load pins are released manually with lever at  operator's  position when telescoping up or down.

WIRE ROPE: 2-Load guys with tail chain & tightening binder

PRIMER COAT: Briner Inorganic Zinc

TOP COAT: Dupont Imron or PPG Del Fleet

WEIGHT: 31,200# est.