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Lincoln Electric Bulldog 5500 Engine Driven Welder (KOHLER®) - K2708-2


The Lincoln Bulldog 5500 Engine Driven Welder K2708-2 is your reliable companion for versatile AC stick welding. With a robust design featuring Low-Lift™ Grab Bars, it offers ease of transport and extra protection. Ideal for home projects, maintenance, and farm applications, this welder delivers up to 140A output and includes a 3-year warranty. Explore its powerful features today!


Lincoln Bulldog 5500 Engine Driven Welder (K2708-2)

AC Stick Welding Power with Low-Lift™ Grab Bars

Meet the Lincoln Bulldog 5500 Engine Driven Welder, a portable powerhouse designed for AC stick welding and equipped with innovative Low-Lift™ Grab Bars for easy maneuverability. This welding machine is perfect for home use, maintenance, and farm applications.

Key Features:

  • Low-Lift™ Grab Bars: More leverage for easy lifting on and off truck beds, providing extra protection against damage.
  • Rugged Tube Frame: Sturdy 1-1/4 in. (32 mm) diameter frame for all-around protection, the largest in its class.
  • AC Welding: Up to 140A AC output, supporting electrodes up to 1/8 in. (3.2 mm) for various applications.
  • Surge AC Generator: 5,500 Watts surge and 4,000 Watts continuous power for versatile uses like grinders, work lights, and more.


Versatile Applications for:

  • Home Use
  • Maintenance and Repair
  • Ranch/Farm


  • Output Range: 70-140A AC Welding, 5,500 Watts Surge AC Generator, 4,000 Watts Continuous AC Generator.
  • Rated Output: 125A AC/20V/30%, 100A AC/25V/60%
  • Engine: Kohler® 8.9 HP @ 3,600 RPM
  • Weight/Dimensions: 198 lbs. (90 kg), 25.6 x 21.8 x 31.5 in. (651 x 553 x 800 mm)

Arc Performance Features:

  • Up to 140A AC Welding Output: Suitable for welding steel, stainless steel, cast iron, or hardfacing projects.
  • Low-Lift™ Grab Bars: More leverage for easy lifting, extra protection against product damage.
  • Kohler® 8.9 HP Engine: Overhead valve design, cast iron cylinder liner, automatic shutdown for low oil level.

Quality and Reliability:

  • Dependability: All-copper windings in rotor and stator with high-quality insulation.
  • Powder Paint Finish: Red and black powder paint for increased durability, rust protection, and UV resistance.
  • Certifications: ISO 9001, ISO 14001, U.S. EPA EVAP standards, CSA certified.


  • Output Control Dial: Single, full-range calibrated welding output dial for easy amperage adjustment.
  • Hour Meter: Monitors run time for scheduled engine maintenance.

Generator Power Application Chart:

(List of recommended power applications with running and start-up watts)

Key Controls Image:

(Include an image highlighting the key controls with numbers and labels)

Options and Accessories:

  • Accessory Kit: For stick welding, includes 20 ft. electrode cable, 15 ft. work cable, headshield, etc. (Order K875)
  • Undercarriage: Puncture-proof tires for easy transport and durability. Fold-down handles for easy storage. (Order K2722-1)

Wire Feeder Options:

  • POWER MIG® 140C: Premium compact wire welder with continuous voltage control for MIG and flux-cored welding. (Order K2471-1)
  • Magnum® 100SG Spool Gun: Designed for feeding aluminum MIG wire. (Order K2532-1)


This Lincoln Bulldog 5500 Engine Driven Welder is your go-to solution for reliable and powerful AC stick welding. Order now to experience the convenience of Low-Lift™ Grab Bars and the exceptional performance of Lincoln Electric technology. For more details, visit http://www.serviceweldingsupply.com/lincoln-bulldog-5500-engine-driven-welder-k2708-2.



Product Weights & Dimensions

  • Dimensions (H x W x D): 25.6 in x 21.8 in x 31.5 in (651 mm x 553 mm x 800 mm)
  • Net Weight: 198 lbs (89.813 kg)


  • Processes: Stick (SMAW)
  • Max Rating: 125A / 20V / 30% @ 104°F (40°C)
  • Output Range by Mode: CC-Stick: 70 – 140 Amps

Engine Driven Welders

  • Single Phase Auxiliary Output: 4,000 Watts Continuous, 120/240V
  • Auxiliary Output Frequency: 60 Hz
  • Receptacle Types: NEMA 5-20R
  • Engine Brand & Model: Kohler CH395
  • Engine Description: 1 Cylinder Air Cooled Gasoline Engine
  • Engine Horsepower: 8.9 HP
  • High Idle Operating Speed @ Rated Output: 3600
  • Fuel Tank Size (US gal.): 1.9
  • Fuel Tank Size (L): 7.2
  • Oil Capacity (qts.): 1.2
  • Oil Capacity (L): 1.1


  • Typical Application: General Fabrication, Maintenance & Repair, Repair Welding


  • Warranty: 3 Years Parts and Labor – Engine warranted separately by engine manufacturer
Weight 198 lbs
Dimensions 25.6 × 21.8 × 31.5 in