Synergy Field Services, LLC
Synergy Field Services, LLC
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    • Home
    • About Us
    • Equipment For Sale
      • Coolers
      • Compressors
      • Cylinders
      • Engines
    • Previous Projects
    • Contact

  • Home
  • About Us
  • Equipment For Sale
    • Coolers
    • Compressors
    • Cylinders
    • Engines
  • Previous Projects
  • Contact

Caterpillar Engines

Caterpillar G3306NA (145 HP @ 1800 RPM)

Caterpillar G3306NA (145 HP @ 1800 RPM)

Caterpillar G3306NA (145 HP @ 1800 RPM)

  • Core Engine: Caterpillar G3306NA (145 HP @ 1800 RPM)
  • -Make: Caterpillar 
  • -Model: G3306NA  
  • -Fuel Source: Natural Gas  
  • -HP Rating: 145
  • -Rated RPM: 1800  
  • -SN: 07Y05459   
  • -Arrangement: 102-9436  
  • -Current Condition: Exceptionally clean and seems to be in excellent used (running) condition. Engine was test run in early 2022 and ran out great (see video) with good oil pressure and no smoke. It has since been preserved and stored indoors in dry storage; no known issues.  

See Photos & Specs

Caterpillar G3306TA (203 HP @ 1800 RPM)

Caterpillar G3306NA (145 HP @ 1800 RPM)

Caterpillar G3306NA (145 HP @ 1800 RPM)

  • Core Engine: Caterpillar G3306TA (203 HP @ 1800 RPM)
  • -Make: Caterpillar 
  • -Model: G3306TA  
  • -Fuel Source: Natural Gas  
  • -HP Rating: 203
  • -Rated RPM: 1800  
  • -SN: 07Y03273   
  • -Arrangement: 7N4315  
  • -Current Condition: Engine was test ran in 2021; it had good oil pressure and no smoke. It does appear to be a high hour engine; overhaul is recommended. It has been preserved and in dry storage since being test ran.

See Photos & Specs

Caterpillar G3406NA (215 HP @ 1800 RPM)

Caterpillar G3406NA (215 HP @ 1800 RPM)

Caterpillar G3406NA (215 HP @ 1800 RPM)

  • Core Engine: Caterpillar G3406NA (215 HP @ 1800 RPM) 
  • -Make: Caterpillar  
  • -Model: G3406NA   
  • -Fuel Source: Natural Gas   
  • -HP Rating: 215 
  • -Rated RPM: 1800   
  • -SN: 4FD00823
  • -Arrangement: 121-8775    
  • -Current Condition: Engine received an overhaul in 2016 or so and was used briefly in service; due to improper preservation and sitting idle for several years, it was seized when we purchased it. It did not seize while in operation, merely from improper preservation and is believed to be a good, rebuildable core. 

See Photos & Specs

Caterpillar G3412TA (625 HP @ 1800 RPM)

Caterpillar G3406NA (215 HP @ 1800 RPM)

Caterpillar G3406NA (215 HP @ 1800 RPM)

  • Core Engine: Caterpillar G3412TA (625 HP @ 1800 RPM) 
  • -Make: Caterpillar  
  • -Model: G3412TA   
  • -Fuel Source: Natural Gas   
  • -HP Rating: 625 
  • -Rated RPM: 1800   
  • -SN: 7DB00446       
  • -Current Condition: Engine was in running condition in 2019 when shut down due to well/field depletion. It was removed during an electric motor conversion on a compressor package and has been preserved and stored indoors since shortly thereafter. It is believed to be in running condition but has not been test run.

See Photos & Specs

CUMMINS Engines

CUMMINS G855E (188 HP @ 1800 RPM)

CUMMINS G855E (188 HP @ 1800 RPM)

CUMMINS G855E (188 HP @ 1800 RPM)

  • Core Engine: Cummins G855E (188 HP @ 1800 RPM)           
  • -Make: Cummins  
  • -Model: G855E   
  • -Fuel Source: Natural Gas   
  • -HP Rating: 188 
  • -Rated RPM: 1800   
  • -SN: 25338735     
  • -Date of MFG: 5/12/2011  
  • -Current Condition: Engine was in running condition in 2019 when removed during an electric motor conversion on a compressor package and has been preserved and stored indoors since shortly thereafter. It is believed to be in running condition but has not been test run recently.

See Photos & Specs

CUMMINS G855E (188 HP @ 1800 RPM)

CUMMINS G855E (188 HP @ 1800 RPM)

CUMMINS G855E (188 HP @ 1800 RPM)

  • Core Engine: Cummins G855E (188 HP @ 1800 RPM)
  • -Make: Cummins 
  • -Model: G855E  
  • -Fuel Source: Natural Gas  
  • -HP Rating: 188
  • -Rated RPM: 1800  
  • -SN: 25338889   
  • -Date of MFG: 5/12/2011      
  • -Current Condition: Engine was in running condition in 2019 when removed during an electric motor conversion on a compressor package and has been preserved and stored indoors since shortly thereafter. It is believed to be in running condition but has not been test run recently. 

See Photos & Specs

Waukesha Engines

Waukesha F18GL (388 HP @ 1800 RPM)

  • Core Engine: Waukesha F18GL (388 HP @ 1800 RPM)           
  • -Make: Waukesha  
  • -Model: F18GL   
  • -Fuel Source: Natural Gas   
  • -HP Rating: 388 
  • -Rated RPM: 1800   
  • -SN: C-12272/3     
  • -Date of MFG:  Jan. 1997 
  • -Current Condition: Engine was improperly preserved and locked up due to being idle a couple of years. Needs overhaul but is believed to be a rebuildable core.

See Photos & Specs

Listed above are a few samples of equipment we currently own and have for sale. We have access to hundreds of natural gas compressor and cooler packages for both well head and midstream applications. If you don't see what you're looking for, please give us a call, message us through this site or send an email to see how we can help. Thank you for your consideration!

Contact Us

Want more info on these units or hundreds of others we have available? Complete our contact form or call us at (318) 918-4470!

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Synergy Field Services, LLC

118 Johnny Clark Rd. Longview, TX 75603

(318) 918-4470

Copyright © 2025 Synergy Field Services, LLC - All Rights Reserved.

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