Tractor Jar

DTI’s Wireline Tractor Jar is a dual acting jar designed for dependable, controlled upward and downwards jarring in combination with a Wireline Tractor.

The DTI Tractor Jar has integral firing load adjustment for both Up-Jar and Down-Jar enabling the firing load to be adjusted on the toolstring and without disassembly. The firing load of the DTI Tractor Jar is configurable from 300 to 5000LBS giving a large range of jarring options. A Calibration Sub is available to test the firing load prior to running in hole.

The DTI Tractor Jar can be supplied with matching accelerator and weight bar for use as a self-contained jarring unit. A Shock Absorber is also available to protect the Tractor from jarring recoil loads.

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  • Adjustable upward and downward firing loads from 300LBS to 5000LBS
  • Integral adjustment mechanism so the firing load can be quickly adjusted even without removing the Jar from the Toolstring
  • Easy re-cocking mechanism is well suited to use with Wireline Tractors
  • Special Heat Treatment reduces wear on Latch Keys and Latch Sub
  • Latch Keys are reversible to double the service life of the Keys
  • Latch Sub has been redesigned without threads to be an economical spare part
  • H2S Service and industry standard Quick Connects are available

DTI offer alternate sizes, materials and thread connections. Please contact us for more information.

Part NumberFish NeckOutside DiameterStandard ConnectionStrokeFiring Load (LBS)
150TRJAR1.375"1.50"15/16 UN6"450 - 950
175TRJAR1.750"1.75"1 1/16 UN6"500 - 1150
188TRJAR1.750"1.875"1 1/16 UN6"500 - 1150
212TRJAR1.750"2.125"1 1/16 UN6"500 - 1150
250TRJAR2.313"2.50"1 9/16 UN6"700 - 1750

Tractor Jar

212SJAR-1 Spring Tractor Jar TRJAR

DTI’s Wireline Tractor Jar is a dual acting jar designed for dependable, controlled upward and downwards jarring in combination with a Wireline Tractor.

The DTI Tractor Jar has integral firing load adjustment for both Up-Jar and Down-Jar enabling the firing load to be adjusted on the toolstring and without disassembly. The firing load of the DTI Tractor Jar is configurable from 300 to 5000LBS giving a large range of jarring options. A Calibration Sub is available to test the firing load prior to running in hole.

The DTI Tractor Jar can be supplied with matching accelerator and weight bar for use as a self-contained jarring unit. A Shock Absorber is also available to protect the Tractor from jarring recoil loads.

Features and Benefits

  • Adjustable upward and downward firing loads from 300LBS to 5000LBS
  • Integral adjustment mechanism so the firing load can be quickly adjusted even without removing the Jar from the Toolstring
  • Easy re-cocking mechanism is well suited to use with Wireline Tractors
  • Special Heat Treatment reduces wear on Latch Keys and Latch Sub
  • Latch Keys are reversible to double the service life of the Keys
  • Latch Sub has been redesigned without threads to be an economical spare part
  • H2S Service and industry standard Quick Connects are available

Data Table

Part NumberFish NeckOutside DiameterStandard ConnectionStrokeFiring Load (LBS)
150TRJAR1.375"1.50"15/16 UN6"450 - 950
175TRJAR1.750"1.75"1 1/16 UN6"500 - 1150
188TRJAR1.750"1.875"1 1/16 UN6"500 - 1150
212TRJAR1.750"2.125"1 1/16 UN6"500 - 1150
250TRJAR2.313"2.50"1 9/16 UN6"700 - 1750

Product Customisation

DTI offer alternate sizes, materials and thread connections. Please contact us for more information.