291 Tandem Axle

Our units have a multitude of options to meet your operational needs. We can manufacture your logging unit on any chassis you choose from Peterbuilt, Kenworth, International or MAC to name a few.

Logging speeds are variable from as low as 4-100 fpm for logging and from 800-1200 fpm for rapid retrieval of downhole tools. Custom logging speeds can be provided based on customer’s operational needs.

Hoist Packages: Single, Split, or Double Drum Configuration Available

Additional information

About Our Trucks

Cabin designs are all customer selected from layout to wall color and material. Custom cabinetry and counter-tops are designed to meet our customer’s expectations. Our units come standard with ruggedized coffee makers, microwaves and optional refrigerators.

Cabin Specifications

• 2”x 2”x 1/8” & 2”x 2”x 1⁄4” channels
• Walls: 2” foam insulation/Ceilings 3” foam with 1” Acoustiblok
• Outer wall thickness – 1/8” aluminum sheet
• Shell floor: 3/16 diamond tread 1⁄4 inch series
• Standard truck flooring is 3/4” plywood or cold weather flooring using 1⁄4”cork sheeting with 5/8” plywood

Accessory Options

• Conventional “V” racks with or without airbags road-side and curb-side, aluminum or steel, aluminum roller racks with air bags on the road side and curb-side underbody tool racks with air bags custom to your needs
• 10K grease package with well head monitor for pressures
• One to three wall mount monitors
• 50’ air & 110 VAC reel system in rear of drum compartment


• Power control panel to facilitate all electrical and hydraulic controllers in one custom cabinet
• Hydraulic generators 20Kw to 30Kw customer selected for operational needs
• Quiet diesel generators 8Kw to 20Kw customer selected for operational needs


• Digital depth panels (Benchmark, Probe, FHE and 4G) are offered depending on the customers operational needs
• Drum rotation counter, RF/Stray current safety panel and intercom system, well-head monitor for pressure
• (2) Cat5 ports for frac data communication

Hoist Power Pack

• Funk 3 Speed Transmission w/ Planetary and 80 Motor
• Single Speed Direct Drive
• 2 Speed Direct Drive

Synergy Machine Drums

• 17 SMD
• 34 SMD
• Martin Sprocket
• Carlson Break Rotor: 2x4x40

*Welded Drums are available

Download 291 Data Sheet


More information on the 291 custom wireline truck.

Click To Call