V8 Gasoline Engine • Automatic Transmission • Air Conditioner • Power Windows • Power Locks • w/Wheel Chair Lift

Ford 6.8 L Gasoline Engine • 2016 US EPA Label • Air Conditioner • Cruise Control • Power Windows • Automatic Transmission • 12000 lb Front Axle • 21000 lb Rears • 25999 lb GVWR • 11R22.5 Front Tires • 11R22.5 Rear Tires • Spring Suspension • 158 in Wheelbase • PTO • Curry Supply Steel Tank • Curry PTO Driven Pump • Hose Reel • Front Spray • Rear Spray • Side Spray

Ford Triton V10 6.8 L Gasoline Engine • 2019 US EPA Label • Air Conditioner • Cruise Control • Power Windows • Automatic Transmission • 8500 lb Front Axle • 19000 lb Rears • 25999 lb GVWR • 275/80R22.5 Front Tires • 295/75R22.5 Rear Tires • ford Spring Suspension • 158 in Wheelbase • 10 ft Long x 26 in High Steel Body • 6 cyd • Capacity • Tailgate Chute • Pintle Hitch

Ford V10 6.8 L Gasoline Engine • 2019 US EPA Label • Air Conditioner • Cruise Control • Power Windows • Automatic Transmission • 5600 lb Front Axle • 12880 lb Rears • 16500 lb GVWR • 225/70R19.5 • Spring Suspension • 169 in Wheelbase • 12 ft 6 in x 96 in Bed • Liftgate

Ford Triton V10 6.8 L Gasoline Engine • 2017 US EPA Label • Air Conditioner • Cruise Control • Automatic Transmission • 10000 lb Front Axle • 17500 lb Rears • Spicer Drive Axles • 25999 lb GVWR • 255/70R22.5 • Spring Suspension • 260 in Wheelbase • A.M. Haire 26 ft x 102 in Wide x 103 in High Body • Curbside Door

V8 4.4 L Gasoline Engine • 3 Speed Manual Transmission

V8 Engine • Automatic Transmission • 5000 lb Front Axle • 9500 lb Rears • 6577 kg GVWR • LT225/75R16 • Spring Suspension • 158 in Wheelbase • Rear Mounted • One-Person Telescopic Boom • Utility Body • Remote Control w/Cord • 13 ft x 86 in Bed • Vanner inverter

6.0 L V8 Diesel Engine • 2006 US EPA Label • Automatic Transmission • Power Driver's Seat • Power Adjustable Pedals • Power Windows • Sunroof • Power Sliding Rear Window • Spray-On Bed Liner • 10000 lb GVWR • 21/49-20 Tires • 6 ft 10 in Bed

Ford V10 6.8 L Gasoline Engine • 2019 US EPA Label • CARB Compliant • Air Conditioner • Cruise Control • Power Windows • Automatic Transmission • 5600 lb Front Axle • 12880 lb Rears • 16500 lb GVWR • 225/70R19.5 Front Tires • 255/70R22.5 Rear Tires • Spring Suspension • 166 in Wheelbase • 12 ft x 96 in Bed • Liftgate • Receiver Hitch

Cummins ISB 6.7 L Diesel 200 hp Engine • 2014 US EPA Label • Requires Diesel Exhaust Fluid • Air Conditioner • Cruise Control • Automatic Transmission • 12000 lb Front Axle • 21000 lb Rears • Spicer Drive Axles • 6.17:1 Axle Ratio • 33000 lb GVWR • 11R22.5 • Spring Suspension • 158 in Wheelbase • PTO • Ledwell 10 ft Long x 2 ft High Steel Body • Manual Roll Tarp • Double Tailgate Chutes • Pintle Hitch

Ford V6 3.7 L Gasoline Engine • 2016 US EPA Label • Air Conditioner • Cruise Control • Automatic Transmission • 4130 lb Front Axle • 5515 lb Rears • 9000 lb GVWR • 235/65R16 Front Tires • 235/65R16 Rear Tires • Spring Suspension • 148 in Wheelbase • 11 ft 6 in Body

Ford Power Stroke V8 6.7 L Diesel 330 hp Engine • 2019 US EPA Label • Requires Diesel Exhaust Fluid • Air Conditioner • Cruise Control • Power Windows • Automatic Transmission • 6500 lb Front Axle • 14706 lb Rears • 19500 lb GVWR • 255/70R19.5 Front Tires • 225/70R19.5 Rear Tires • Spring Suspension • 169 in Wheelbase • 2019 Iowa Mold Tooling DSS K414114 12 ft Body • Vanair Air N Arc Gasoline Generator Set • Vanair Air Compressor • Vanair Welder

Ford V8 6.7 L Diesel Engine • Air Conditioner • Cruise Control • Power Windows • Automatic Transmission • 225/70R19.5 Front Tires • 225/70R19.5 Rear Tires

Cummins ISB 6.7 L Diesel Engine • Requires Diesel Exhaust Fluid • Air Conditioner • Cruise Control • Power Windows • Automatic Transmission • 8500 lb Front Axle • 17500 lb Rears • 26000 lb GVWR • Aluminum Outer Wheels • 245/70R19.5 Front Tires • 245/70R19.5 Rear Tires • Air Ride Suspension • 220 in Wheelbase • PTO • Jerr-Dan 21SRR6T-W-LP Rollback Body • 21 ft x 101.5 in Bed • Ramsey 8000 lb Winch • Hydraulic Wheel Lift • Receiver hitch

Cummins 6 Cylinder Diesel Engine • Requires Diesel Exhaust Fluid • Air Conditioner • Cruise Control • Power Windows • Automatic Transmission • 8500 lb Front Axle • 17500 lb Rears • 26000 lb GVWR • Aluminum Outer Wheels • 245/70R19.5 • Air Ride Suspension • 224 in Wheelbase • PTO • Hydraulic System • Jerr-Dan 22SRR6T-W-LF Rollback Body • 12 ft 11 in x 101.5 in Bed • Ramsey 8000 lb Winch • Hydraulic Wheel Lift • ball hitch

Cummins ISB 6 Cylinder 6.7 L Diesel 280 hp Engine • 2015 US EPA Label • Air Conditioner • Cruise Control • Power Windows • Allison 2500 Automatic Transmission • 12000 lb Front Axle • 21000 lb Rears • 33000 lb GVWR • 275/70R22.5 • Hendrickson Spring Suspension • 242 in Wheelbase • PTO • 2016 Miller Century Rollback Body • 24 ft x 102 in Bed • Warn Series 12 12000 lb Winch

Automatic Transmission • Air Conditioner • Power Driver's Seat • Power Adjustable Pedals • Power Windows • Bed Liner • 8250 lb GVWR • 275/65R18 Tires • 6 ft Bed

V8 6.7 L Diesel 300 hp Engine • 2014 US EPA Label • Requires Diesel Exhaust Fluid • 16308 Engine hrs • Air Conditioner • Cruise Control • Automatic Transmission • 6500 lb Front Axle • 14706 lb Rears • 19500 lb GVWR • 225/70R19.5 • Spring Suspension • 165 in Wheelbase • Phenix Ent Inc 13 ft 1 in Body • Vanair 175 UDSM PTO Air Compressor • Air Hose Reel

V8 6.7 L Diesel 300 hp Engine • 2014 US EPA Label • Requires Diesel Exhaust Fluid • 13933 Engine hrs • Air Conditioner • Cruise Control • Automatic Transmission • 6500 lb Front Axle • 14706 lb Rears • 19500 lb GVWR • 225/70R19.5 • Spring Suspension • 165 in Wheelbase • PTO • 2014 Phenix Ent Inc 13 ft 1 in Body • Vanair 175 UDSM PTO Air Compressor • Air Hose Reel

Ford Power Stroke V8 6.7 L Diesel Engine • Air Conditioner • Cruise Control • Power Windows • Automatic Transmission • 225/70R19.5 Front Tires • 225/70R19.5 Rear Tires

Cummins 6 Cylinder Diesel Engine • Air Conditioner • Cruise Control • 6-Speed Manual Transmission • 12000 lb Front Axle • 20000 lb Rears • 32000 lb GVWR • 295/75R22.5 • Air Ride Suspension • 182 in Wheelbase • 2014 IMT D0M2S3 K035922 Body • Hydraulic Stabilizers • 2014 IMT 8600-30 8600 lb Hydraulic Crane • Wireless Remote Control • Miller EnPak 60 cfm Diesel Air Compressor • Miller Bobcat 250 A Gasoline Welder

3349.9 Engine hrs • Air Conditioner • Cruise Control • Allison Automated Transmission • 14000 lb Front Axle • 21000 lb Rears • 33000 lb GVWR • Cummins 6 Cylinder Diesel Engine • Requires Diesel Exhaust Fluid • 295/75R22.5 Front Tires • 11R22.5 Rear Tires • Spring Suspension • 194 in Wheelbase • PTO • 47 ft Sheave Height • 23790 lb Capacity • Center Mounted • 35 ft Reach • Insulated Upper Boom • Pole Guide • Boom Tip Mounted Winch • Material Handling Jib • altec Body • A-Outriggers • Hydraulic Hose Reel

Ford V8 6.8 L Gasoline Engine • 2019 US EPA Label • 5247 Engine hrs • Air Conditioner • Cruise Control • Power Windows • Automatic Transmission • 5600 lb Front Axle • 12880 lb Rears • 16500 lb GVWR • 225/70R19.5 Front Tires • 225/70R19.5 Rear Tires • Spring Suspension • 169 in Wheelbase • Reading 9 ft Body • Gasoline Air Compressor • Air Hose Reel

2.7 L Gasoline Engine • 2021 US EPA Label • Automatic Transmission • Air Conditioner • Power Driver's Seat • Power Adjustable Pedals • Power Windows • Power Sliding Rear Window • Vinyl Truck Cap • Spray-On Bed Liner • 6600 lb GVWR • 275/65R18 Tires • 5 ft 5 in Bed

V8 6.2 L Gasoline Engine • 2018 US EPA Label • Air Conditioner • Cruise Control • Power Windows • Automatic Transmission • 4400 lb Front Axle • 6340 lb Rears • 10000 lb GVWR • 245/75R17 • Spring Suspension • 142 in Wheelbase • BrandFX 8 ft Body • Mi-T-M 175 cfm Gasoline Air Compressor

Cat C-7 6 Cylinder 7.2 L Diesel 210 hp Engine • 2006 US EPA Label • Air Conditioner • Cruise Control • 6-Speed Manual Transmission • 12000 lb Front Axle • 21000 lb Rears • 33000 lb GVWR • 11R22.5 • Spring Suspension • 196 in Wheelbase • PTO • 16 ft Folding Spray Bar • Double Flue w/ LPG Burners • In-Cab Controls • Manual Bar Controls • Hand Spray Wand • Washdown System • PTO Driven Pump

ford V8 6.7 L Diesel Engine • 2015 US EPA Label • Air Conditioner • Cruise Control • Automatic Transmission • 7000 lb Front Axle • 12000 lb Rears • 16000 lb GVWR • 225/70R19.5 Front Tires • 225/70R19.5 Rear Tires • Spring Suspension • 141 in Wheelbase • Galion-Godwin 8 ft 10 in Long x 2 ft 2 in High Steel Body

Ford Power Stroke V8 6.7 L Diesel 300 hp Engine • 2011 US EPA Label • Requires Diesel Exhaust Fluid • Air Conditioner • Cruise Control • Power Windows • Automatic Transmission • 6000 lb Front Axle • 13660 lb Rears • Spicer 323252 Drive Axles • 18000 lb GVWR • 225/70R19.5 • Spring Suspension • 167 in Wheelbase • PTO • B&B industries H246R 121724 Steel Wrecker Body • 8000 lb Winch Capacity • 15000 lb Boom Rating • Tow Dollies

Ford V8 6.2 L Gasoline Engine • 2019 US EPA Label • Air Conditioner • Cruise Control • Power Windows • Automatic Transmission • 4400 lb Front Axle • 6340 lb Rears • 10000 lb GVWR • LT245/75R17 • Spring Suspension • 142 in Wheelbase • BrandFX 8 ft Body • Mi-T-M AG2-SH13-30M Gasoline Generator Set • Mi-T-M AG2-SH13-30M 15.7 cfm Gasoline Air Compressor • Air Hose Reel

Ford V8 6.2 L Gasoline Engine • 2015 US EPA Label • 5837 Engine hrs • Air Conditioner • Cruise Control • Power Windows • Automatic Transmission • 3950 lb Front Axle • 6290 lb Rears • 10000 lb GVWR • 265/70R17 • Spring Suspension • 137 in Wheelbase • Knapheide 9 ft Body

ford V8 Gasoline Engine • 2020 US EPA Label • Air Conditioner • Cruise Control • Power Windows • Automatic Transmission • 8500 lb Front Axle • 19000 lb Rears • 27500 lb GVWR • 11R22.5 Front Tires • 11R22.5 Rear Tires • Spring Suspension • 245 in Wheelbase • Mickey 20 ft 7 in Body • 40 in / 68 in Bays • 43 in Deep • 88 in / 65 in Door Height • 11R22.5 Tires • 27500 lb GVWR

Ford V8 6.2 L Gasoline Engine • 2019 US EPA Label • 4372 Engine hrs • Air Conditioner • Cruise Control • Power Windows • Exhaust Brake • 6-Speed Automatic Transmission • 4400 lb Front Axle • 6340 lb Rears • 10000 lb GVWR • 245/75R17 Front Tires • 245/75R17 Rear Tires • Spring Suspension • 141 in Wheelbase • 8 ft Body • MeccAlte 5 kVA Generator Set • Mi-T-M AG2-SH13-BE 175 cfm Hydraulic Air Compressor • Air Hose Reel

V8 Engine • 2018 US EPA Label • Air Conditioner • Cruise Control • Power Windows • Automatic Transmission • 4400 lb Front Axle • 6340 lb Rears • 10000 lb GVWR • steel • 265/70R17 Front Tires • 245/75R17 Rear Tires • 144 in Wheelbase • 7 ft 11 in Body • MI-T-M Generator Set • Gasoline Air Compressor • Air Hose Reel

Ford V8 6.2 L Gasoline Engine • 2019 US EPA Label • 7325 Engine hrs • Air Conditioner • Cruise Control • Automatic Transmission • 4700 lb Front Axle • 10040 lb Rears • 14000 lb GVWR • 245/75R17 Front Tires • 265/75R17 Rear Tires • Spring Suspension • 169 in Wheelbase • 9 ft 0 in Body • Champion HGR10-8K Gasoline Air Compressor

Ford Powerstroke V8 Diesel Engine • Requires Diesel Exhaust Fluid • Air Conditioner • Cruise Control • Power Windows • Ford Automatic Transmission • 7000 lb Front Axle • 12000 lb Rears • 16500 lb GVWR • 225/70R19.5 • Ford Spring Suspension • 134 in Wheelbase • 350 lb Capacity • Center Mounted • One-Person Articulating-Telescopic Boom • Utility Body • 12 ft x 95 in Bed • 3 Way Container Pins • 2in receiver

Ford V8 6.2 L Gasoline Engine • 2018 US EPA Label • 11095 Engine hrs • Air Conditioner • Cruise Control • Power Windows • Automatic Transmission • 4400 lb Front Axle • 6340 lb Rears • Spicer Drive Axles • 10000 lb GVWR • 245/75R17 • Spring Suspension • 142 in Wheelbase • Brand FX Utility 8 ft Body • Multiquip Generator Set • MTM AG2-SM14-30ME 17.0 cfm Gasoline Air Compressor • Air Hose Reel

V8 Engine • 2018 US EPA Label • Air Conditioner • Cruise Control • Power Windows • Automatic Transmission • 4400 lb Front Axle • 6340 lb Rears • 10000 lb GVWR • steel • 265/70R17 Front Tires • 265/70R17 Rear Tires • 144 in Wheelbase • 7 ft 11 in Body • Hydraulic Lift Gate • Mi-T-M Air Compressor

Ford V10 6.8 L Gasoline Engine • 2019 US EPA Label • 8952 Engine hrs • Air Conditioner • Cruise Control • Power Windows • Automatic Transmission • 5600 lb Front Axle • 12880 lb Rears • 16500 lb GVWR • 225/70R19.5 • Spring Suspension • 168 in Wheelbase • Reading 12 ft 4 in Body • Mi-T-M Gasoline Generator Set • Mi-T-M 175 cfm Gasoline Air Compressor

Ford Power Stroke 6.7 L Diesel Engine • 2012 US EPA Label • Requires Diesel Exhaust Fluid • Air Conditioner • Cruise Control • Automatic Transmission • 7000 lb Front Axle • 13660 lb Rears • 18000 lb GVWR • 225/70R19.5 • Spring Suspension • 142 in Wheelbase • PTO • 400 lb Capacity • Front Mounted • One-Person Articulating-Telescopic Boom • Utility Body • Remote Control w/Cord • 12 ft 4 in x 94 in Bed • Pintle Hitch

V8 6.4 L Diesel Engine • 2008 US EPA Label • Air Conditioner • Cruise Control • Automatic Transmission • 6500 lb Front Axle • 14706 lb Rears • 19500 lb GVWR • 225/70R19.5 • Spring Suspension • 165 in Wheelbase • PTO • 9 ft Long x 1 ft 7 in High Steel Body • Flat Bed • 2-Way Tailgate • Ball

5.0 L V8 Gasoline Engine • 2018 US EPA Label • Automatic Transmission • Air Conditioner • Power Driver's Seat • Power Adjustable Pedals • Power Windows • Sunroof • Power Sliding Rear Window • Tonneau Cover • 7000 lb GVWR • 275/60R20 Tires • 5 ft 8 in Bed

3.5 L V6 Gasoline Engine • Automatic Transmission • Air Conditioner • Power Driver's Seat • Power Adjustable Pedals • Power Windows • Sunroof • Power Sliding Rear Window • Tonneau Cover • 7000 lb GVWR • 275/55R20 Tires • 5 ft 6 in Bed

Ford V10 6.8 L Gasoline Engine • 2017 US EPA Label • Air Conditioner • Cruise Control • Power Windows • Automatic Transmission • 5600 lb Front Axle • 12880 lb Rears • 16500 lb GVWR • 225/70R19.5 • Spring Suspension • 169 in Wheelbase • 2015 Palfinger OSPSB108 9 ft Body • Mi-T-M AG2-SH13-30M Gasoline Generator Set • Mi-T-M AG2-SH13-30M Gasoline Air Compressor • Air Hose Reel

Ford Power Stroke V8 6.0 L Diesel Engine • 2010 US EPA Label • Air Conditioner • Cruise Control • Power Windows • Automatic Transmission • LT225/75R16 Front Tires • LT225/75R16 Rear Tires

Cat C12 6 Cylinder Diesel Engine • 1996 US EPA Label • Webasto Engine Coolant Heater • Air Conditioner • Cruise Control • Eaton Fuller Manual Transmission • Double Differential Locks • 9071 kg Front Axle • 20866 kg Rears • 29936 kg GVWR • Air Ride Cab • Viking L-77 Steel Spreader • 1 Spinners • In-Cab Controls • Viking 13 ft Long x 4 ft High Steel Body • Grizzly attachment on top of sander body • Dual Steering Boxes • Double Frame • Spring Suspension • 233 in Wheelbase • PTO • Hydraulic System • Heated Box •

Ford Power Stroke V8 7.3 L Diesel Engine • Air Conditioner • 5-Speed Manual Transmission • 5000 lb Front Axle • 11000 lb Rears • 4.63:1 Axle Ratio • 15000 lb GVWR • LT235/85R16 Front Tires • LT235/85R16 Rear Tires • Ford Spring Suspension • 161 in Wheelbase • 1997 Adkins 132-88-CB 12 ft Body • Manual Stabilizers • Auto Crane 6006 6000 lb 2 Section Electric Crane • Wired Remote Control • Miller 225 8 kW Gasoline Generator Set • Ingersoll-Rand 24275F14G 24 cfm Gasoline Air Compressor • Air Hose Reel • Miller Bobcat 225 8 kW 225 A Gasoline Welder

Ford V8 6.8 L Gasoline Engine • 2018 US EPA Label • CARB Compliant • 7576 Engine hrs • Air Conditioner • Cruise Control • Power Windows • Automatic Transmission • 5600 lb Front Axle • 14706 lb Rears • 19500 lb GVWR • 225/70R19.5 • Spring Suspension • 169 in Wheelbase • Knapheide 6132D54 11 ft Body • ( 2 ) Oil Tanks • ( 1 ) Waste Oil Tank • ( 3 ) Hose Reels • Metered Nozzles • Oil Recovery System • Pintle Hitch • Mi-T-M AG2-SH13B Gasoline Generator Set • Mi-T-M AG2-SH13-B 16.3 cfm Gasoline Air Compressor • Air Hose Reel

Ford V8 6.2 L Gasoline Engine • 2019 US EPA Label • Air Conditioner • Cruise Control • Power Windows • Ford Automatic Transmission • 4800 lb Front Axle • 6340 lb Rears • 10000 lb GVWR • 265/70R17 • Spring Suspension • 176 in Wheelbase • 8 ft 6 in x 84 in Bed

5 Cylinder Diesel Engine • Automatic Transmission • Air Conditioner • Power Windows • 255-70R16 Tires • 1800 mm Alloy Tray • A266010

2.7 L V6 Gasoline Engine • 2020 US EPA Label • Automatic Transmission • Air Conditioner • Power Windows • Spray-On Bed Liner • 6600 lb GVWR • 265/70R17 Tires • 5 ft 6 in Bed

2.7 L V6 Gasoline Engine • 2020 US EPA Label • Automatic Transmission • Air Conditioner • Power Driver's Seat • Power Adjustable Pedals • Power Windows • Power Sliding Rear Window • Spray-On Bed Liner • 6600 lb GVWR • 275/65R18 Tires • 5 ft 6 in Bed

2.7 L V6 Gasoline Engine • 2020 US EPA Label • Automatic Transmission • Air Conditioner • Power Driver's Seat • Power Adjustable Pedals • Power Windows • Power Sliding Rear Window • Spray-On Bed Liner • 6600 lb GVWR • 275/65R18 Tires

Cat C7 5 Cylinder Diesel Engine • 2004 US EPA Label • Air Conditioner • Cruise Control • Automatic Transmission • 8500 lb Front Axle • 17500 lb Rears • 26000 lb GVWR • 10R22.5 Front Tires • 10R22.5 Rear Tires • Spring Suspension • 196 in Wheelbase • PTO • Wet Kit • Layton 11 ft Long x 20 in High Steel Body • Electric Roll Tarp • Double Tailgate Chutes • Pintle Hitch

V8 Gasoline Engine

5.0 L V8 Gasoline Engine • 2017 US EPA Label • Automatic Transmission • Air Conditioner • Power Windows • Spray-On Bed Liner • 7000 lb GVWR • 265/75R17 Tires • 5 ft 6 in Bed

Ford 6.8 V8 6.8 L Gasoline Engine • 2017 US EPA Label • Air Conditioner • Cruise Control • Power Windows • Automatic Transmission • 5600 lb Front Axle • 12880 lb Rears • 16500 lb GVWR • 225/70R19.5 • Spring Suspension • 170 in Wheelbase • Reading 9 ft 0 in Body • Gasoline Generator Set • Gasoline Air Compressor • Air Hose Reel

2.7 L V6 Gasoline Engine • 2020 US EPA Label • Automatic Transmission • Air Conditioner • Power Driver's Seat • Power Adjustable Pedals • Power Windows • Power Sliding Rear Window • Tonneau Cover • Spray-On Bed Liner • 6600 lb GVWR • 275/65R18 Tires

Ford V8 6.2 L Gasoline Engine • 2017 US EPA Label • 99.10 Engine hrs • Air Conditioner • Cruise Control • Power Windows • Automatic Transmission • 4400 lb Front Axle • 6340 lb Rears • 10000 kg GVWR • Aluminum Wheels • 265/70R17 Front Tires • 265/70R17 Rear Tires • Spring Suspension • 142 in Wheelbase • BrandFX 8 ft Body • Mi-T-M 3500 W Gasoline Generator Set • Mi-T-M Air Compressor

2.7 L V6 Gasoline Engine • 2020 US EPA Label • Automatic Transmission • Air Conditioner • Power Driver's Seat • Power Adjustable Pedals • Power Windows • Power Sliding Rear Window • Spray-On Bed Liner • 6600 lb GVWR • 275/65R18 Tires • 5 ft 7 in Bed

Power Stroke V8 6.0 L Diesel Engine • Air Conditioner • Cruise Control • Power Windows • Automatic Transmission • 6000 lb Front Axle • 13500 lb Rears • 17500 lb GVWR • 225/70R19.5 Front Tires • 225/70R19.5 Rear Tires • Spring Suspension • 164 in Wheelbase • Knapheide 11 ft Body • Auto Crane 2400 lb 2 Section Electric Crane • Wireless Remote Control • American Gasoline Air Compressor • Hobart Champion 145 Gasoline Welder