Full Line Product Catalog

Capstan Drives

Capstan Drive Gives your mobile hydraulic equipment the capacity to run our line of power reels and capstans. So, even when your vehicle doesn’t have a winch, you can still afford the benefits of GMP’s highly productive cable placing tools, like our 32 in. Torque Limiting Capstan or our universal C.R. Reel, using this economical device. Our Capstan Drive features a Bell standard 2-7/16 in. (62 mm) bayonet shaft and a highly efficient planetary gear reduction that rotates on roller bearings and is powered by a compact, continuous duty single stage motor. At maximum flow of 15 gpm (57 l/m) and operating pressure of 2250 psi (15 500 kPa), the capstan shaft can achieve 58 rpm and develops 13,000 in. lbs. (1469 N-m) of torque. That translates into the following line speeds and line pulls:

T RUCK B ODY E QUIPMENTS & C ABLE W INCHES

Physical Characteristics 8-1/2 in. square mounting face with four mounting holes for 5/8 in. bolts on 7/16 in. centers Foot mount with four tapped holes for 3/4 -10 UNC bolts Bell standard 2-7/16 in. (62 mm) bayonet shaft SAE No. 8 ports Compact 16 x 8-1/2 x 8-1/2 in. envelope (+ 7.73 in. shaft length) Control Valve Type: 3-position, 4-way motor spool

Line Speed

Line Pull Lbs. (kN)

Device

Ft./min. (m/min.)

7 in. Capstan

106 (32.4) 304 (92.6) 380 (115.7) 486 (148.1)

3,250 (14.45) 1,300 (5.78) 900* (4.00*)

C.R. Reel

25 in. Capstan 32 in. Capstan

700* (3.11*) * Line pull limited to 600 lbs. (2.76 kN) typical clutch setting

A multi-disc wet brake that’s spring applied and hydraulically released is rated for the unit’s full pulling load. Plus, we have designed a built-in bidirectional counterbalance valve to give you “feathering” control over the load movement in either direction.

(extra cost or customer supplied item) P/N 70329 Weight: 125 lbs. (56,7 kgs)

WARNING: This Capstan Drive is not designed for nor intended for use in moving or lifting people.

Notes: 1. The fill and vent port should always be located atop the capstan, relative to the method of mounting. 2. Maximum flow rate — 15 GPM. 3. Maximum operating pressure — 2,250 PSI.

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