Kelly Bushing Pin Drive

Kelly Bushing Pin Drive

Autobahn Industries make Kelly bushings conforming to API-7K specification (latest edition) and duly API-7K monogrammed. Pin Drive Kelly Bushings are suitable for Pin Drive Master Bushings. Kelly Bushings are used for heavy-duty drilling operations in high torque conditions at off-shore as well as on-shore drilling operations to handle Square or Hex Kelly size from 3″ to 6″

Pin Drive Kelly Bushings are available in three sizes of Master Bushings. 

  • 27 PDHD for 27½” / 37½” Master Bushing.
  • 20 PDHD for 20½” Master Bushing. 
  • 17 PDHD for 17½” Master Bushing.

Features & Benefits

API Standard
  • Kelly Bushings are designed, manufactured & tested conforming to the requirement of API-7K Specification (latest edition) and supplied duly API-7K Monogrammed. 

  •  Autobahn Industries holds API-7K License for Kelly Bushing for the last 23 years and counting.

Design Features
  • Autobahn make Kelly Bushings are equivalent with NOV make HDP Kelly Bushing. 
  • Kelly Bushing can be used for different sizes of Kelly i.e. Hex or Square from 3” to 6” by changing the requisite Rollers, wiper assembly.
  • Estimated Design life : 10 Years
Health, Safety and Environment
  • Kelly Bushings are manufactured considering the HSE guidelines.
  • Easy Installation into the Master Bushings.
  • Spares can be easily replaced. 
  • Products are passed through Non Destructive Testing (NDE) to ensure the best quality products are manufactured. 
Lead Time
  • Fastest delivery of Capital Equipment as well as spares within shortest lead time.

Part No.

Kelly Size / Type 27 PDHD Complete ABI P/N Identical VARCO P/N 20 PDHD Roller Assembly Complete ABI P/N Identical VARCO P/N
3" Hex
2701-P
3650-30
2001-P
2101
3667
3.1⁄2" Hex
2702-P
3650-35
2002-P
2102
2102
4.1⁄4" Hex
2703-P
3650-42
2003-P
2103
3669
5.1⁄4" Hex
2704-P
3650-52
2004-P
2104
3672
6" Hex
2705-P
3650-60
2005-P
2105
3673
3" Sq.
2706-P
3651-30
2006-P
2106
3660
3.1⁄2" Sq.
2721-P
3651-35
2011-P
2110
3661
4.1⁄4" Sq.
2707-P
3651-42
2007-P
2107
3662
5.1⁄4" Sq.
2708-P
3651-52
2008-P
2108
3665
6" Sq.
2709-P
3651-60
2009-P
2109
3666

Part List

S. No. Description Qty. Per Unit 27 PDHD ABI P/N Identical VARCO P/N 20 PDHD
1
Kelly Bushing Body less roller assembly
01 No.
2710-P
3653
2010-P
2
Hold down bolt
04 No.
2711
13501
2711
3
Hold down bolt lock screw
04 No.
2711-A
50110-8-S
2711-A
4
Nut for hold down bolt
04 No.
2712
1208
2712
5
Lock washer for nut
04 No.
2713
51110-C
2713
6
Drive pin with washer
04 No.
2714
1605
2714-S
7
Wrench
01 No.
2715
1210
2715
8
Wiper assembly
01 No.
2716
--
2716
9
Wiper Retainer Plate
01 No.
2716-B
1321
2716-B
10
Wiper Retainer Plate Screw
08 No.
2716-C
50008-10-S
2716-C
11
Roller Pin
04 No.
2717
3609
2717
12
Roller Bearing
04 No.
2718
1312
2718
Sleeve Bush
04 No.
2719
1326
2719
13
Thrust Washer
08 No.
2720
3618
2720
14
Lifting Sling (Four Hooks Type)
01 No.
2721
--
2721

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