Model 71-180-C PEMCO Mast

HEIGHT: 71 feet clear height, single tubing, double rods

RATING: Maximum rated static hook load

  180,000 pounds with 4 lines strung               

  205,000 pounds with 6 lines strung 

COLUMN LEGS: 2" x 6" x 1/4" 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 3 1/2" screw in legs to ground

TUBING BOARD:  Capacity 12,000 feet of 2 7/8" tubing 

  Fingers for end racking and adjustable for any size tubing

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

  Mounts at 26 feet above ground

ROD BOARD: 2 - No. 104 rod hangers with combined capacity of 208 stands of 3/4" rods with adapter sleeves

  furnished will handle 5/8" , 3/4", 7/8" and 1" sucker rods

  Includes rodman basket, air cylinder transfer system and safety sub-elevators

  Rod equipment goes into position when derrick is scoped up or down

  Mounted at 53 feet for double rods

  Installed in new derrick

HYDRAULICS:  Scoping Ram & push-pull raising ram- chrome plated

 Controls for raising, lowering and scoping derrick

 Operates off rig hydraulic system

CROWN: For 4 or 6 line string up of conventional block flat with derrick

  5 - 24" Timken bearing sheaves in line - hardened grooves

  4 - 7/8" W.L. and 1 - 9/16" W.L.

  2 - 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 and tightening binder

PRIMER COAT:  Briner Inorganic Zinc.

TOP COAT:  Dupont Imron or PPG Del Fleet

WEIGHT:  12,600# est.