Trucks & Trailers For Sale

Cat C9 6 Cylinder 8.8 L Diesel 298 hp Engine • 2004 US EPA Label • 9809 Engine hrs • Air Conditioner • Cruise Control • Allison Automatic Transmission • Differential Lock • 20000 lb Front Axle • 40000 lb Rears • 60000 lb GVWR • Air Ride Cab • Aluminum Front Wheels • 385/65R22.5 Front Tires • 11R24.5 Rear Tires • Hendrickson Rubber over Walking Beam Suspension • 186 in Wheelbase • PTO • Heritage 14 ft Long x 4 ft 6 in High Steel Body • Electric Roll Tarp • High-Lift Tailgate

Volvo D13H425 6 Cylinder 12.8 L Diesel 425 hp Engine • 2012 US EPA Label • Requires Diesel Exhaust Fluid • Air Conditioner • Cruise Control • Power Windows • Engine Brake • 12000 lb Front Axle • 38000 lb Rears • Meritor MT-40-14X Drive Axles • 2.64:1 Axle Ratio • 50000 lb GVWR • Air Ride Cab • 295/75R22.5 • Air Ride Suspension • 175 in Wheelbase • Air Sliding 5th Wheel • Dual Fuel Tanks

Cummins X15 6 Cylinder 15 L Diesel 450 hp Engine • 2018 US EPA Label • Requires Diesel Exhaust Fluid • 19059 Engine hrs • Air Conditioner • Cruise Control • Power Windows • Eaton Fuller 10-Speed Manual Transmission • 12000 lb Front Axle • 40000 lb Rears • 2.64:1 Axle Ratio • 52000 lb GVWR • Air Ride Cab • 295/75R22.5 Front Tires • 295/75R22.5 Rear Tires • Air Ride Suspension • 171 in Wheelbase • Air Sliding 5th Wheel • Dual Fuel Tanks

6 Cylinder 7.6 L Diesel 255 hp Engine • 2008 US EPA Label • 9090 Engine hrs • Air Conditioner • Cruise Control • Automatic Transmission • 10000 lb Front Axle • 21000 lb Rears • 31000 lb GVWR • 295/75R22.5 • Air Ride Suspension • 260 in Wheelbase • x 102 in Wide x Body • Liftgate

Maxxforce A270 6 Cylinder 7.6 L Diesel 270 hp Engine • 2011 US EPA Label • 10082 Engine hrs • Air Conditioner • Cruise Control • Allison Automatic Transmission • 10000 lb Front Axle • 20000 lb Rears • 30000 lb GVWR • Air Ride Cab • 295/75R22.5 Front Tires • 295/75R22.5 Rear Tires • Air Ride Suspension • 152 in Wheelbase

6 Cylinder 15 L Diesel 450 hp Engine • 2017 US EPA Label • Requires Diesel Exhaust Fluid • 23709 Engine hrs • Air Conditioner • Cruise Control • Power Windows • Engine Brake • Eaton Fuller 10-Speed Manual Transmission • 12350 lb Front Axle • 40000 lb Rears • 52350 lb GVWR • Air Ride Cab • 295/75R22.5 Front Tires • 295/75R22.5 Rear Tires • Air Ride Suspension • 177 in Wheelbase • Air Sliding 5th Wheel • Dual Fuel Tanks

Aluminum/Steel Combination Frame • Air Ride Sliding Suspension • Side Skirts • Hardwood Floor • Swing Door • 295/75R22.5 Tires 68000 lb GVWR

Cummins X15 6 Cylinder 15 L Diesel 500 hp Engine • 2019 US EPA Label • Requires Diesel Exhaust Fluid • 2947 Engine hrs • Air Conditioner • Cruise Control • Power Windows • Engine Brake • Allison Automatic Transmission • Differential Lock • 14600 lb Front Axle • 40000 lb Rears • 3.90:1 Axle Ratio • 67800 lb GVWR • Air Ride Cab • 42 in Mid Roof Sleeper Cab • Aluminum Wheels • 315/80R22.5 Front Tires • 295/75R22.5 Rear Tires • Steerable Air Lift Pusher Axle • 8-Bag Air Ride Suspension • 336 in Wheelbase • PTO • 24 ft Long Steel Body • Split Swing Tailgate • Pintle Hitch

Navistar N13 6 Cylinder 12.4 L Diesel 450 hp Engine • 2015 US EPA Label • Requires Diesel Exhaust Fluid • 18735 Engine hrs • Air Conditioner • Cruise Control • Power Windows • Engine Brake • Eaton Fuller FRMF-15210B 10-Speed Manual Transmission • 12350 lb Front Axle • 40000 lb Rears • 2.47:1 Axle Ratio • 52350 lb GVWR • Air Ride Cab • 72 in High Rise Sleeper Cab • Bunk Beds • Aluminum Wheels • 295/75R22.5 Front Tires • 295/75R22.5 Rear Tires • Air Ride Suspension • 227 in Wheelbase • Air Sliding 5th Wheel • Dual Fuel Tanks

International Remanufactured 6 Cylinder Diesel Engine • US EPA Label • Requires Diesel Exhaust Fluid • Air Conditioner • Cruise Control • Power Windows • Engine Brake • Eaton Fuller EEO-14F112C 12-Speed Automated Transmission • 12000 lb Front Axle • 40000 lb Rears • Navistar Drive Axles • 3.08:1 Axle Ratio • 52000 lb GVWR • Air Ride Cab • 295/75R22.5 • Air Ride Suspension • 175 in Wheelbase • Air Sliding 5th Wheel

Lunette Ring Hitch • Spring Suspension • Air Brakes • 20 ft Main Deck • 6 ft Fixed Dovetail • 96 in Usable Deck Width • 102 in Overall Deck Width • Deck Over Tires • Manual Ramps • Wood Flooring • 215/75R17.5 Tires

Cat C15 6 Cylinder Diesel 475 hp Engine • 19122.2 Engine hrs • Air Conditioner • Cruise Control • Engine Brake • Eaton Fuller Manual Transmission • Differential Lock • 16000 lb Front Axle • 46000 lb Rears • 62000 lb GVWR • Air Ride Cab • 385/65R22.5 Front Tires • 11R22.5 Rear Tires • Air Ride Suspension • 170 in Wheelbase • PTO • Air Sliding 5th Wheel

Detroit DD13 12.8 L Ultra Low Sulfur Diesel 380 hp Engine • US EPA Label • Requires Diesel Exhaust Fluid • 23581.3 Engine hrs • Air Conditioner • Cruise Control • Power Windows • 10-Speed Manual Transmission • Differential Lock • 2.64:1 Axle Ratio • Air Ride Cab • 72 in High Rise Sleeper Cab • 275/80R22.5 Front Tires • 445/50R22.5 Super Singles Rear Tires • Air Assist Front Suspension • Airliner Air Ride Suspension • 226 in Wheelbase

Ball Hitch • Spring Suspension • Electric Brakes • ST205/75R15 Tires

2013 Thermo King HK-430 Heating Unit • Spring Sliding Suspension • Side Skirts • Hardwood Floor • Swing Door • 275/80R22.5 Tires • 68000 lb GVWR

Spring Suspension • Sliding Suspension • 295/75R22.5 Tires • 68000 lb GVWR

Volvo D13J405 6 Cylinder 12.8 L Diesel 405 hp Engine • 2015 US EPA Label • Requires Diesel Exhaust Fluid • Air Conditioner • Cruise Control • Power Windows • Volvo ATO2612D Automated Transmission • 12000 lb Front Axle • 38000 lb Rears • 50000 lb GVWR • Air Ride Cab • Aluminum Front Wheels • 295/75R22.5 Front Tires • 295/75R22.5 Rear Tires • Air Ride Suspension • 180 in Wheelbase

Volvo D13 405HP ECO Torque 6 Cylinder Diesel Engine • US EPA Label • Requires Diesel Exhaust Fluid • Air Conditioner • Cruise Control • Power Windows • Volvo ATO2612D Automated Transmission • 12350 lb Front Axle • 38000 lb Rears • 50350 lb GVWR • Air Ride Cab • Aluminum Front Wheels • 295/75R22.5 Front Tires • 295/75R22.5 Rear Tires • Air Ride Suspension • 180 in Wheelbase • Air Sliding 5th Wheel

Volvo D13 12.8 L Diesel 405 hp Engine • 2015 US EPA Label • Requires Diesel Exhaust Fluid • Air Conditioner • Cruise Control • Power Windows • Volvo ATO2612D 12-Speed Automated Transmission • Differential Lock • 12350 lb Front Axle • 38000 lb Rears • 2.47:1 Axle Ratio • 50350 lb GVWR • Air Ride Cab • Aluminum Wheels • 295/75R22.5 Front Tires • 295/75R22.5 Rear Tires • Air Ride Suspension • 180 in Wheelbase • Air Sliding 5th Wheel • Dual Fuel Tanks

Air Ride Suspension • Air Brakes • 96 in Deck Width • 102 in Overall Width • Aluminum w/Wood Strips Flooring • Aluminum Wheels • 295/75R22.5 Tires • 69000 lb GVWR

GM V6 4.3 L Gasoline Engine • 2019 US EPA Label • Automatic Transmission • 4100 lb Front Axle • 6084 lb Rears • 9900 lb GVWR • 245/75R16 • Spring Suspension • 137 in Wheelbase • 2019 Thermo King Reefer Unit • Supreme 12 ft x 89 in Wide x 73 in High Body • Walk-Up Ramp

GM V8 4.3 L Gasoline Engine • 2019 US EPA Label • 4403 Engine hrs • Automatic Transmission • 4100 lb Front Axle • 6084 lb Rears • 9900 lb GVWR • 245/75R16 • Spring Suspension • 139 in Wheelbase • Thermo King Reefer Unit • Supreme 12 ft x 90 in Wide x 73 in High Body • Walk-Up Ramp

Cummins B6.7 6 Cylinder 6.7 L Diesel 260 hp Engine • 2018 US EPA Label • Requires Diesel Exhaust Fluid • 6220 Engine hrs • Allison 2500 Automatic Transmission • 12000 lb Front Axle • 21000 lb Rears • Detroit DA-RS-21.0-4 Drive Axles • 5.56:1 Axle Ratio • 33000 lb GVWR • 11R22.5 • Airliner Air Ride Suspension • 252 in Wheelbase • Supreme 24 ft x 102 in Wide x 96 in High Body • Liftgate

Cummins B6.7 220 6 Cylinder 6.7 L Diesel 220 hp Engine • 2019 US EPA Label • Requires Diesel Exhaust Fluid • 6796 Engine hrs • Automatic Transmission • 10000 lb Front Axle • 17500 lb Rears • 25999 lb GVWR • Aluminum Wheels • 11R22.5 • Air Ride Suspension • 272 in Wheelbase • Supreme 26 ft x 102 in Wide x 103 in High Body • Liftgate

Detroit DD15 6 Cylinder 14.8 L Diesel 455 hp Engine • 2019 US EPA Label • Requires Diesel Exhaust Fluid • Detroit DT12-1650-OH1 HD 12-Speed Automated Transmission • 13220 lb Front Axle • 40000 lb Rears • Detroit DA-RT-40.0-4 Drive Axles • 3.08:1 Axle Ratio • 53220 lb GVWR • Aluminum Wheels • 11R22.5 Front Tires • 11R22.5 Rear Tires • Air Ride Suspension • 228 in Wheelbase • Air Sliding 5th Wheel • Dual Fuel Tanks

Detroit DD13 6 Cylinder 12.8 L Diesel 435 hp Engine • 2018 US EPA Label • Requires Diesel Exhaust Fluid • 13033 Engine hrs • Engine Brake • Detroit 12-Speed Automated Transmission • 12000 lb Front Axle • 40000 lb Rears • Meritor MT-40-14X Drive Axles • 3.08:1 Axle Ratio • 52000 lb GVWR • Air Ride Cab • 11R22.5 • Airliner Air Ride Suspension • 178 in Wheelbase • Air Sliding 5th Wheel • Dual Fuel Tanks

26 ft x x Body

Detroit DD13 6 Cylinder 12.8 L Diesel 435 hp Engine • 2017 US EPA Label • Requires Diesel Exhaust Fluid • 9487 Engine hrs • Detroit DT12-1550-OH1 HD 12-Speed Automated Transmission • 12000 lb Front Axle • 40000 lb Rears • Meritor MT-40-14X Drive Axles • 3.08:1 Axle Ratio • 52000 lb GVWR • Air Ride Cab • 11R22.5 • Airliner Air Ride Suspension • 178 in Wheelbase • Air Sliding 5th Wheel • Dual Fuel Tanks

Detroit DD13 6 Cylinder 12.8 L Diesel 435 hp Engine • 2017 US EPA Label • Requires Diesel Exhaust Fluid • 15448 Engine hrs • Detroit DT12-1550-OH1 HD 12-Speed Automated Transmission • 12000 lb Front Axle • 40000 lb Rears • Detroit DA-RT-40.0-4 Drive Axles • 3.08:1 Axle Ratio • 52000 lb GVWR • Air Ride Cab • 11R22.5 Front Tires • 11R22.5 Rear Tires • Airliner Air Ride Suspension • 178 in Wheelbase • Air Sliding 5th Wheel • Dual Fuel Tanks

Detroit DD13 6 Cylinder 12.8 L Diesel 435 hp Engine • 2017 US EPA Label • Requires Diesel Exhaust Fluid • 12142 Engine hrs • Engine Brake • Detroit DT12-1550-OH1 HD 12-Speed Automated Transmission • 12000 lb Front Axle • 40000 lb Rears • Meritor MT-40-14X Drive Axles • 3.08:1 Axle Ratio • 52000 lb GVWR • Air Ride Cab • 11R22.5 • Airliner Air Ride Suspension • 178 in Wheelbase • Air Sliding 5th Wheel • Dual Fuel Tanks

Volvo D13M-425 15 L Diesel 425 hp Engine • 2018 US EPA Label • Requires Diesel Exhaust Fluid • Volvo ATO2612F 12-Speed Automated Transmission • 12350 lb Front Axle • 38000 lb Rears • Meritor MT-40-14X Drive Axles • 2.64:1 Axle Ratio • 50350 lb GVWR • Air Ride Cab • 70 in High Rise Sleeper Cab • Bunk Beds • Aluminum Wheels • 295/75R22.5 Front Tires • 295/75R22.5 Rear Tires • Volvo Corporate Air Air Ride Suspension • 224 in Wheelbase • Air Sliding 5th Wheel • Dual Fuel Tanks

Volvo D13M-425 6 Cylinder 12.8 L Diesel 425 hp Engine • 2018 US EPA Label • Requires Diesel Exhaust Fluid • Volvo ATO2612F 12-Speed Automated Transmission • 12350 lb Front Axle • 38000 lb Rears • Meritor MT-40-14X Drive Axles • 2.64:1 Axle Ratio • 50350 lb GVWR • Air Ride Cab • 70 in High Rise Sleeper Cab • Bunk Beds • Aluminum Wheels • 295/75R22.5 Front Tires • 295/75R22.5 Rear Tires • Volvo Corporate Air Air Ride Suspension • 224 in Wheelbase • Air Sliding 5th Wheel • Dual Fuel Tanks

Air Ride Suspension • Air Brakes • Sliding Suspension • Ducted Floor • Swing Door • 2018 Carrier X4 7300 Refrigeration Unit • 20033 Total Hours • Aluminum Outer Wheels • 275/80R22.5 Tires • 65000 lb GVWR

Detroit DD13 6 Cylinder 12.8 L Diesel 450 hp Engine • 2019 US EPA Label • Requires Diesel Exhaust Fluid • 13475 Engine hrs • Engine Brake • Detroit DT12-1650-OH1-8 HD 12-Speed Automated Transmission • 13220 lb Front Axle • 40000 lb Rears • 2.85:1 Axle Ratio • 53220 lb GVWR • Air Ride Cab • 72 in Flat Top Sleeper Cab • Aluminum Wheels • 11R22.5 • Airliner Air Ride Suspension • 229 in Wheelbase • Air Sliding 5th Wheel

Cummins X15 6 Cylinder 15.0 L Diesel 450 hp Engine • 2018 US EPA Label • Requires Diesel Exhaust Fluid • Eaton Fuller FO-16E313A-MHP ULT Automated Transmission • 13220 lb Front Axle • 40000 lb Rears • Detroit DA-RT-40.0-4 Drive Axles • 3.23:1 Axle Ratio • 53220 lb GVWR • Air Ride Cab • 72 in High Rise Sleeper Cab • Bunk Beds • 11R22.5 • Airliner Air Ride Suspension • 229 in Wheelbase • Air Sliding 5th Wheel • Dual Fuel Tanks

Cummins B6.7 6 Cylinder 6.7 L Diesel 220 hp Engine • 2018 US EPA Label • Requires Diesel Exhaust Fluid • 5117 Engine hrs • Eaton Fuller EDCO-6F107A Automatic Transmission • 10000 lb Front Axle • 19000 lb Rears • 5.88:1 Axle Ratio • 26000 lb GVWR • 11R22.5 • Airliner Air Ride Suspension • 270 in Wheelbase • Supreme 28 ft x 102 in Wide x 97 in High Body • Curbside Door • Liftgate

Cummins X15 6 Cylinder 15.0 L Diesel 450 hp Engine • 2018 US EPA Label • Requires Diesel Exhaust Fluid • 12654 Engine hrs • Engine Brake • Automated Transmission • 13200 lb Front Axle • 40000 lb Rears • 53200 lb GVWR • Air Ride Cab • 72 in High Rise Sleeper Cab • Bunk Beds • 11R22.5 • Air Ride Suspension • 230 in Wheelbase • Air Sliding 5th Wheel • Dual Fuel Tanks

V8 6.6 L Gasoline Engine • 2021 US EPA Label • 3292 Engine hrs • Automatic Transmission • 4300 lb Front Axle • 8600 lb Rears • 12300 lb GVWR • 225/75R16 • Spring Suspension • 178 in Wheelbase • Supreme 16 ft x 96 in Wide x 79 in High Body • Walk-Up Ramp

Cummins X15 6 Cylinder 15.0 L Diesel 450 hp Engine • 2018 US EPA Label • Requires Diesel Exhaust Fluid • 18160 Engine hrs • Automated Transmission • Double Differential Locks • 13200 lb Front Axle • 40000 lb Rears • 53200 lb GVWR • Air Ride Cab • 72 in High Rise Sleeper Cab • Bunk Beds • 11R22.5 • Air Ride Suspension • 230 in Wheelbase • Air Sliding 5th Wheel • Dual Fuel Tanks

Mercedes-Benz 6 Cylinder Diesel Engine • 25177 Engine hrs • Engine Brake • Automatic Transmission • 12000 lb Front Axle • 40000 lb Rears • 52000 lb GVWR • 11R22.5 • TufTrac Rubber over Walking Beam Suspension • 191 in Wheelbase • PTO • Heil 15 ft Long x 46 in High Steel Body • Round Bottom • Tailgate Chute • Pintle Hitch

Carrier X21800 Refrigeration Unit • Air Ride Suspension • Pintle Hitch • Ducted Floor • Roll-Up Door • 295/75R22.5 Tires 37000 lb GVWR

Carrier X21800 Refrigeration Unit • Air Ride Suspension • Pintle Hitch • Ducted Floor • Roll-Up Door • 295/75R22.5 Tires 37000 lb GVWR

Detroit DD5 5 Cylinder 5.1 L Diesel 230 hp Engine • 2017 US EPA Label • Requires Diesel Exhaust Fluid • Diagnostic Tool Reading 135287 mi • 5025 Engine hrs • Automatic Transmission • 10000 lb Front Axle • 19000 lb Rears • 26000 lb GVWR • Air Ride Cab • 11R22.5 • Airliner Air Ride Suspension • 270 in Wheelbase • Morgan 26 ft x 102 in Wide x 103 in High Body • Liftgate

Detroit DD13 6 Cylinder 12.8 L Diesel 435 hp Engine • 2017 US EPA Label • Requires Diesel Exhaust Fluid • Detroit DT12-1550-OH1 HD 12-Speed Automated Transmission • 12000 lb Front Axle • 40000 lb Rears • Detroit DA-RT-40.0-4 Drive Axles • 3.08:1 Axle Ratio • 52000 lb GVWR • Air Ride Cab • 11R22.5 • Airliner Air Ride Suspension • 178 in Wheelbase • Air Sliding 5th Wheel • Dual Fuel Tanks

Cummins ISB 6 Cylinder 6.7 L Diesel 260 hp Engine • 2016 US EPA Label • Requires Diesel Exhaust Fluid • 7877 Engine hrs • Allison 2500 Automatic Transmission • 12000 lb Front Axle • 21000 lb Rears • 6.14:1 Axle Ratio • 33000 lb GVWR • Aluminum Wheels • 295/75R22.5 • Airliner Air Ride Suspension • 287 in Wheelbase • Thermo King T-1080S Reefer Unit • 2-Zone • (2) Remote Evaporators • Morgan 28 ft x 102 in Wide x 101 in High Body • Curbside Door • Walk-Up Ramp

Cummins B6.7 220 6 Cylinder 6.7 L Diesel 220 hp Engine • Requires Diesel Exhaust Fluid • Diagnostic Tool Reading 224366 mi • 7028 Engine hrs • Eaton Fuller EDCO-6F107A 7-Speed Automatic Transmission • 10000 lb Front Axle • 19000 lb Rears • Meritor MS-19-14X Drive Axles • 5.57:1 Axle Ratio • 26000 lb GVWR • 11R22.5 • Airliner Air Ride Suspension • 270 in Wheelbase • Thermo King T-880R Reefer Unit • 11120 Reefer Total Hours: • Supreme 26 ft x 102 in Wide x 103 in High Body • Curbside Door • Ducted Floor • Liftgate

V8 7.3 L Gasoline Engine • 2020 US EPA Label • 3891 Engine hrs • Automatic Transmission • 4200 lb Front Axle • 8500 lb Rears • 12500 lb GVWR • 225/75R16 • Spring Suspension • 176 in Wheelbase • Morgan 16 ft x 96 in Wide x 78 in High Body • Walk-Up Ramp

Cummins B6.7 220 6 Cylinder 6.7 L Diesel 220 hp Engine • 2019 US EPA Label • Requires Diesel Exhaust Fluid • 5680 Engine hrs • Automatic Transmission • 10000 lb Front Axle • 17500 lb Rears • 25999 lb GVWR • Air Ride Cab • 11R22.5 • Air Ride Suspension • 254 in Wheelbase • Multi Vans 24 ft x 96 in Wide x 102 in High Body • Walk-Up Ramp

Cummins ISX15 6 Cylinder 15 L Diesel 450 hp Engine • 2021 US EPA Label • Requires Diesel Exhaust Fluid • 10367 Engine hrs • International Stalk Shifter Automated Transmission • 13200 lb Front Axle • 40000 lb Rears • 53200 lb GVWR • Air Ride Cab • 72 in High Rise Sleeper Cab • Bunk Beds • 11R22.5 Front Tires • 11R22.5 Rear Tires • International IROS Air Ride Suspension • 238 in Wheelbase • Air Sliding 5th Wheel • Dual Fuel Tanks

Cummins ISB 6 Cylinder 6.7 L Diesel 220 hp Engine • 2017 US EPA Label • Requires Diesel Exhaust Fluid • 4608 Engine hrs • Eaton Fuller EDCO-6F107A Automatic Transmission • 10000 lb Front Axle • 19000 lb Rears • 5.56:1 Axle Ratio • 26000 lb GVWR • 11R22.5 Front Tires • 11R22.5 Rear Tires • Airliner Air Ride Suspension • 270 in Wheelbase • Great Dane 26 ft x 102 in Wide x 103 in High Body • Liftgate

Cummins B6.7 220 6 Cylinder 6.7 L Diesel 220 hp Engine • 2019 US EPA Label • Requires Diesel Exhaust Fluid • 4212 Engine hrs • Allison Automatic Transmission • 8000 lb Front Axle • 15500 lb Rears • 17999 lb GVWR • 11R22.5 • Spring Suspension • 205 in Wheelbase • Multi Vans 18 ft x 102 in Wide x 102 in High Body • Liftgate

V8 6.6 L Gasoline Engine • 2022 US EPA Label • Automatic Transmission • 4300 lb Front Axle • 8600 lb Rears • 12300 lb GVWR • 225/75R16 • Spring Suspension • 160 in Wheelbase • Supreme Corporation 14 ft x 96 in Wide x 79 in High Body

Cummins L9 6 Cylinder 8.9 L Diesel 270 hp Engine • 2017 US EPA Label • Requires Diesel Exhaust Fluid • 5534 Engine hrs • Allison 3000 Automatic Transmission • 12000 lb Front Axle • 23000 lb Rears • 4.78:1 Axle Ratio • 35000 lb GVWR • Air Ride Cab • Aluminum Wheels • 11R22.5 Front Tires • 11R22.5 Rear Tires • Airliner Air Ride Suspension • 158 in Wheelbase