Cabeza Tractora Cabina Corta: 6x A La Venta

Mack MP7 405 hp Engine • 2016 US EPA Label • 5996 Engine hrs • Mack mDrive 12-Speed Automated Transmission 13200 lb Front Axle • 40000 lb Rears • 53200 lb GVWR • Engine Brake • 185 in Wheelbase • Air Suspension • Aluminum Wheels • 11R22.5 Front Tires • 455/55R22.5 Super Singles Rear Tires

Mack MP7 405 hp Engine • 2016 US EPA Label • 17025 Engine hrs • Mack mDrive 12-Speed Automated Transmission 13200 lb Front Axle • 40000 lb Rears • 53200 lb GVWR • Engine Brake • 185 in Wheelbase • Air Suspension • Aluminum Wheels • 11R22.5 Front Tires • 455/55R22.5 Super Singles Rear Tires • PTO

Mack MP7 405 hp Engine • 2016 US EPA Label • 16726 Engine hrs • Mack mDrive 12-Speed Automated Transmission 13200 lb Front Axle • 40000 lb Rears • 53200 lb GVWR • Engine Brake • 185 in Wheelbase • Air Suspension • Aluminum Wheels • 11R22.5 Front Tires • 455/55R22.5 Super Singles Rear Tires • PTO

Paccar Engine • 15843 Engine hrs • Eaton Fuller Automated Transmission • 12350 lb Front Axle • 38000 lb Rears • 50350 lb GVWR • Engine Brake • 178 in Wheelbase • Air Suspension • 11R22.5 Front Tires • 455/55R22.5 Super Singles Rear Tires

Cummins 6 Cylinder Diesel 400 hp Engine • Retarder • Automatic Transmission • 16 -Speed Auxiliary Transmission • Double Differential Locks • 14860 lb Front Axle • 52160 lb Rears • 56000 lb GVWR • 275/80R24.5 • Dual Steering Boxes • Double Frame • Spring over Walking Beam Suspension • 196 in Wheelbase • Air Sliding 5th Wheel • Rolling Tailboard

Cummins ISX15 Engine • 23349.3 Engine hrs • Eaton Fuller FOM-16E310C LAS 10-Speed Automated • 13200 lb Front Axle • 40000 lb Rears • 53200 lb GVWR • 204 in Wheelbase • Aluminum Wheels • 11R24.5 Front Tires • 11R24.5 Rear Tires • Air Sliding 5th Wheel

Volvo D13N 405 hp Engine • 2024 US EPA Label • Volvo AT2612F 12-Speed Automated Transmission • 13200 lb Front Axle • 40000 lb Rears • 53200 lb GVWR • Engine Brake • 188 in Wheelbase • Air Suspension • Aluminum Wheels • 295/75R22.5 Front Tires • 445/50R22.5 Super Singles Rear Tires • Air Sliding 5th Wheel

Volvo D13N 405 hp Engine • 2024 US EPA Label • Volvo AT2612F 12-Speed Automated Transmission • 13200 lb Front Axle • 40000 lb Rears • 53200 lb GVWR • Engine Brake • 188 in Wheelbase • Air Suspension • Aluminum Wheels • 295/75R22.5 Front Tires • 445/50R22.5 Super Singles Rear Tires • Air Sliding 5th Wheel

Cummins ISX15 525 hp Engine • 2013 US EPA Label • 21295 Engine hrs • Eaton Fuller RTLO-18913A 13-Speed Manual Transmission • 13201 lb Front Axle • 40000 lb Rears • 53200 lb GVWR • Engine Brake • 221 in Wheelbase • Air Suspension • Aluminum Wheels • 295/75R22.5 • Air Sliding 5th Wheel • Dual Fuel Tanks • Headache Rack

Cummins X15 450 hp Engine • 2018 US EPA Label • 10516 Engine hrs • Eaton Fuller EEO-17F112C 12-Speed Automated Transmission • 12350 lb Front Axle • 40000 lb Rears • 52350 lb GVWR • Engine Brake • 177 in Wheelbase • Air Suspension • Aluminum Wheels • 295/75R22.5 • Dual Fuel Tanks

Cat 3406E Engine • Eaton Fuller RT15715 15 -Speed Manual Transmission • 12000 lb Front Axle • 45120 lb Rears • 57120 lb GVWR • Engine Brake • 212 in Wheelbase • Walking Beam Suspension • Aluminum Wheels • 11R24.5 Front Tires • 11R24.5 Rear Tires • Wet Kit • PTO • Air Sliding 5th Wheel • Dual Fuel Tanks

8469 Engine hrs • Air Conditioner • Cruise Control • Engine Brake • Eaton Fuller 10-Speed Manual Transmission • Differential Lock • Meritor RD2316 Drive Axles • 3.73:1 Axle Ratio • Air Ride Cab • Aluminum Wheels • 11R22.5 Front Tires • 11R22.5 Rear Tires • Airglide 8-Bag Air Ride Suspension • 208 in Wheelbase • Air Sliding 5th Wheel • Dual Fuel Tanks

Cummins ISX15 450 hp Engine • 2017 US EPA Label • 12033 Engine hrs • Eaton Fuller 13-Speed Manual Transmission • 12350 lb Front Axle • 40000 lb Rears • 52350 lb GVWR • Engine Brake • 189 in Wheelbase • Air Suspension • Aluminum Wheels • 11R22.5 • Air Sliding 5th Wheel • Dual Fuel Tanks • 2024 Engine Work Policy #UWF012 • UWF006 (see photos)

6 Cylinder Diesel Engine • Eaton Fuller 18-Speed Manual Transmission • Differential Lock • 275/70R22.5 • Air Ride Suspension • 4300 mm Wheelbase • PTO • Wet Kit • Air Sliding 5th Wheel • GVM 24 t

Cummins ISX15 450 hp Engine • 2014 US EPA Label • 224175 Engine hrs • Eaton Fuller FOM-16E310C LAS 10-Speed Automated • 40000 lb Rears • 204 in Wheelbase • Air Suspension • Aluminum Outer Wheels • 11R24.5 Front Tires • 11R24.5 Rear Tires • Air Sliding 5th Wheel

Cat Engine • 2006 • US EPA Label • 29236 Engine hrs • Eaton Fuller RTLO18913A 13-Speed Manual Transmission • 14320 lb Front Axle • 46000 lb Rears • 60320 lb GVWR • Engine Brake • Differential Lock • 240 in Wheelbase • Air Suspension • Aluminum Wheels • 11R24.5 • Air Sliding 5th Wheel • Dual Fuel Tanks • Headache Rack

Detroit DD15 6 Cylinder 14.8 L Diesel 505 hp Engine • 2019 US EPA Label • Requires Diesel Exhaust Fluid • 11073 Engine hrs • Air Conditioner • Cruise Control • Power Windows • Engine Brake • Eaton Fuller FRO-16210C 10-Speed Manual Transmission • 12350 lb Front Axle • 40000 lb Rears • Meritor MT-40-14X Drive Axles • 3.55:1 Axle Ratio • 52350 lb GVWR • Air Ride Cab • Aluminum Outer Wheels • 295/75R22.5 • Airliner Air Ride Suspension • 186 in Wheelbase • Air Sliding 5th Wheel • Dual Fuel Tanks

Detroit DD15 6 Cylinder 14.8 L Diesel 505 hp Engine • 2019 US EPA Label • Requires Diesel Exhaust Fluid • 8136.4 Engine hrs • Air Conditioner • Cruise Control • Power Windows • Retarder • Detroit DT12-1550-OH1 12-Speed Automated Transmission • 12350 lb Front Axle • 40000 lb Rears • Detroit DA-RT-40.0-4 Drive Axles • 2.85:1 Axle Ratio • 52350 lb GVWR • Air Ride Cab • 295/75R22.5 • Airliner Air Ride Suspension • 188 in Wheelbase • Air Sliding 5th Wheel • Dual Fuel Tanks

Detroit DD15 6 Cylinder 14.8 L Diesel 505 hp Engine • 2020 US EPA Label • Requires Diesel Exhaust Fluid • 9236 Engine hrs • Air Conditioner • Cruise Control • Power Windows • Engine Brake • Detroit DT12-1650-OH1 12-Speed Automated Transmission • 12350 lb Front Axle • 40000 lb Rears • Meritor MT-40-14X Drive Axles • 3.36:1 Axle Ratio • 52350 lb GVWR • Air Ride Cab • Aluminum Wheels • 295/75R22.5 • Airliner Air Ride Suspension • 186 in Wheelbase • Air Sliding 5th Wheel • Dual Fuel Tanks

Paccar MX-13 Engine • 2015 US EPA Label • 136 Engine hrs • Eaton Fuller FO-16E313A MHP 13-Speed Automated • 13200 lb Front Axle • 40000 lb Rears • 53200 lb GVWR • Engine Brake • Differential Lock • 232 in Wheelbase • Air Suspension • 11R22.5 Front Tires • 11R22.5 Rear Tires • Air Sliding 5th Wheel • Dual Fuel Tanks • Headache Rack

Cummins ISX15 450 hp Engine • 2014 US EPA Label • 20887.6 Engine hrs • Eaton Fuller Automated Transmission • 13200 lb Front Axle • 40000 lb Rears • 53200 lb GVWR • Engine Brake • 204 in Wheelbase • Air Suspension • Aluminum Wheels • 11R24.5 Front Tires • 11R24.5 Rear Tires • Air Sliding 5th Wheel

Paccar 430 hp Engine • 2016 US EPA Label • 1176.6 Engine hrs • Eaton Fuller FAO16810C-EA3 10-Speed Automatic Transmission • 12350 lb Front Axle • 38000 lb Rears • 50350 lb GVWR • Engine Brake • 179 in Wheelbase • Air Suspension • Aluminum Wheels • 11R22.5 Front Tires • 455/55R22.5 Super Singles Rear Tires

Detroit Engine • Eaton Fuller 10-Speed Manual Transmission • 12000 lb Front Axle • 40000 lb Rears • 52000 lb GVWR • Engine Brake • Differential Lock • 190 in Wheelbase • Air Suspension • 11R22.5 Front Tires • 11R22.5 Rear Tires • Air Sliding 5th Wheel

Cummins X15 400 hp Engine • 2019 US EPA Label • 11235.1 Engine hrs • Eaton Fuller 10-Speed Automatic Transmission • 12000 lb Front Axle • 38000 lb Rears • 50000 lb GVWR • Engine Brake • 176 in Wheelbase • Air Suspension • 11R22.5 Front Tires • 11R22.5 Rear Tires • Air Sliding 5th Wheel • Dual Fuel Tanks

Detroit DD13 410 hp Engine • Detroit DT12-DB-1450 12-Speed Automated Transmission • 12000 lb Front Axle • 40000 lb Rears • 52000 lb GVWR • Engine Brake • 176 in Wheelbase • Air Suspension • Aluminum Wheels • 295/75R22.5 • Air Sliding 5th Wheel • Dual Fuel Tanks

Paccar MX 430 hp Engine • 2010 US EPA Label • 193 Engine hrs • Eaton Fuller FOM-16E310C LAS 10-Speed Automated • 12000 lb Front Axle • 40000 lb Rears • 52000 lb GVWR • Engine Brake • 177 in Wheelbase • Air Suspension • Aluminum Wheels • 295/75R22.5 • Air Sliding 5th Wheel • Lowboy Ramps

Cummins X15 400 hp Engine • 2019 US EPA Label • 12089.2 Engine hrs • Eaton Fuller 10-Speed Automated Transmission • 12000 lb Front Axle • 38000 lb Rears • 50000 lb GVWR • Engine Brake • 176 in Wheelbase • Spring Suspension • Aluminum Wheels • 11R22.5 Front Tires • 11R22.5 Rear Tires • Air Sliding 5th Wheel • Dual Fuel Tanks

Cummins X15 400 hp Engine • 2019 US EPA Label • 12026.7 Engine hrs • Eaton Fuller 10-Speed Automated Transmission • 12000 lb Front Axle • 38000 lb Rears • 50000 lb GVWR • Engine Brake • 176 in Wheelbase • Air Suspension • Aluminum Wheels • 11R22.5 Front Tires • 11R22.5 Rear Tires • Air Sliding 5th Wheel • Dual Fuel Tanks

Cummins ISX 435 hp Engine • 2006 US EPA Label • 435 Engine hrs • Eaton Fuller FROF16210C 10-Speed Manual Transmission • 12000 lb Front Axle • 40000 lb Rears • 52000 lb GVWR • Engine Brake • 204 in Wheelbase • Air Suspension • Aluminum Wheels • 11R22.5 • Wet Kit • PTO • Air Sliding 5th Wheel • Dual Fuel Tanks • Blower

Paccar MX-13 455 hp Engine • 2013 US EPA Label • 11653 Engine hrs • Eaton Fuller Automated Transmission • 52000 lb GVWR • Engine Brake • 186 in Wheelbase • Air Suspension • Aluminum Wheels • 295/75R22.5 Front Tires • 295/75R22.5 Rear Tires • Air Sliding 5th Wheel • Dual Fuel Tanks

Paccar MX-13 455 hp Engine • 2013 US EPA Label • 14214 Engine hrs • Eaton Fuller Automated Transmission • 12000 lb Front Axle • 40000 lb Rears • 52000 lb GVWR • Engine Brake • 187 in Wheelbase • Air Suspension • Aluminum Wheels • 295/75R22.5 Front Tires • 295/75R22.5 Rear Tires • Air Sliding 5th Wheel

Paccar MX-13 264 hp Engine • 2013 US EPA Label • 16887 Engine hrs • 52000 lb GVWR • 186 in Wheelbase • Air Suspension • Aluminum Wheels • 295/75R22.5 Front Tires • 295/75R22.5 Rear Tires • Air Sliding 5th Wheel

Detroit 6 Cylinder Diesel Engine • 2013 US EPA Label • Requires Diesel Exhaust Fluid • Air Conditioner • Cruise Control • Power Windows • Engine Brake • 10-Speed Manual Transmission • 12000 lb Front Axle • 40000 lb Rears • 52000 lb GVWR • Air Ride Cab • Aluminum Outer Wheels • 295/75R22.5 • Airliner Air Ride Suspension • 173 in Wheelbase

US EPA Label • 28294.6 Engine hrs • Manual Transmission • 13200 lb Front Axle • 40000 lb Rears • 53200 lb GVWR • 204 in Wheelbase • Air Suspension • Aluminum Outer Wheels • 11R24.5 Front Tires • 11R24.5 Rear Tires • Blower

Detroit DD13 450 hp Engine • 2017 US EPA Label • 13598 Engine hrs • Detroit DT12-OB-1550 12-Speed Automated Transmission • 12000 lb Front Axle • 40000 lb Rears • 52000 lb GVWR • Engine Brake • 178 in Wheelbase • Air Suspension • 295/75R22.5 Front Tires • 295/75R22.5 Rear Tires • Air Sliding 5th Wheel • Dual Fuel Tanks

Paccar MX-13 Engine • 2014 US EPA Label • 25297.6 Engine hrs • Automatic Transmission • 13200 lb Front Axle • 40000 lb Rears • 53200 lb GVWR • Engine Brake • Differential Lock • 235 in Wheelbase • Air Suspension • Aluminum Wheels • 295/75R22.5 Front Tires • 295/75R22.5 Rear Tires • Air Sliding 5th Wheel • Dual Fuel Tanks

Cummins X15 400 hp Engine • 2019 US EPA Label • 12271.4 Engine hrs • Eaton Fuller 10-Speed Automated Transmission • 12000 lb Front Axle • 38000 lb Rears • 52000 lb GVWR • Engine Brake • 176 in Wheelbase • Air Suspension • Aluminum Wheels • 11R22.5 Front Tires • 11R22.5 Rear Tires • Air Sliding 5th Wheel • Dual Fuel Tanks • Lowboy Ramps

Cummins Engine • 2006 US EPA Label • 23234 Engine hrs • Eaton Fuller 10-Speed Manual Transmission • 12000 lb Front Axle • 40000 lb Rears • 52000 lb GVWR • Engine Brake • 202 in Wheelbase • Air Suspension • Aluminum Wheels • 11R22.5 Front Tires • 11R22.5 Rear Tires • Air Sliding 5th Wheel • Dual Fuel Tanks

Mercedes-Benz OM460LA 450 hp Engine • 2006 US EPA Label • 14370.7 Engine hrs • Eaton Fuller RTLO-16913A 13-Speed Manual Transmission • 14600 lb Front Axle • 46000 lb Rears • 71620 lb GVWR • Engine Brake • Double Differential Locks • 224 in Wheelbase • Air Suspension • Aluminum Wheels • 11R22.5 Front Tires • 11R24.5 Rear Tires • Air Sliding 5th Wheel

Paccar MX-13 455 hp Engine • 2013 US EPA Label • 13336.8 Engine hrs • Eaton Fuller Automated Transmission • 12000 lb Front Axle • 40000 lb Rears • 52000 lb GVWR • Engine Brake • 187 in Wheelbase • Air Suspension • Aluminum Wheels • 295/75R22.5 Front Tires • 295/75R22.5 Rear Tires • Air Sliding 5th Wheel

Cummins ISX 435ST 435 hp Engine • 2004 US EPA Label • Eaton Fuller FRO-16210C 10-Speed Manual Transmission • 12000 lb Front Axle • 40000 lb Rears • 52000 lb GVWR • Engine Brake • 205 in Wheelbase • Air Suspension • Aluminum Wheels • 11R24.5 Front Tires • 11R24.5 Rear Tires • Air Sliding 5th Wheel • Dual Fuel Tanks

Detroit Series 60 Engine • 31247 Engine hrs • Eaton Fuller RTLO-14613BP 13-Speed Manual Transmission • 18740 lb Front Axle • 42400 lb Rears • 61140 lb GVWR • Engine Brake • 168 in Wheelbase • Air Suspension • Aluminum Front Wheels • 385/65R22.5 Front Tires • 11R22.5 Rear Tires • Dual Steering Boxes • Double Frame • Wet Kit • PTO • Air Sliding 5th Wheel

Detroit Series 60 Engine • 2005 US EPA Label • Eaton Fuller RTLO-16913A 13-Speed Manual Transmission • 14600 lb Front Axle • Meritor RT-46-160P Drive Axles • 4.56:1 Axle Ratio • 46000 lb Rears • Engine Brake • 222 in Wheelbase • Air Suspension • Aluminum Wheels • 12R22.5 Front Tires • 11R24.5 Rear Tires • Air Sliding 5th Wheel • Dual Fuel Tanks • Blower

Mack MP8 Engine • 2009 • US EPA Label • 31216 Engine hrs • Eaton Fuller 13-Speed Manual Transmission • 12000 lb Front Axle • 40000 lb Rears • 52000 lb GVWR • 192 in Wheelbase • Air Suspension • Aluminum Outer Wheels • 11R24.5 Front Tires • 11R24.5 Rear Tires • Air Sliding 5th Wheel • Dual Fuel Tanks

Mack MP8 445 hp Engine • 2012 US EPA Label • 16774 Engine hrs • Mack Maxitorque T310 10-Speed Manual Transmission 12000 lb Front Axle • 40000 lb Rears • 52000 lb GVWR • Engine Brake • 218 in Wheelbase • Air Suspension • Aluminum Wheels • 11R24.5 Front Tires • 11R24.5 Rear Tires • Wet Kit • PTO • Air Sliding 5th Wheel • Dual Fuel Tanks • Headache Rack

Cummins ISX 435 hp Engine • 2006 US EPA Label • Eaton Fuller 10-Speed Manual Transmission • 12000 lb Front Axle • 40000 lb Rears • 52000 lb GVWR • Engine Brake • 230 in Wheelbase • Air Suspension • Aluminum Front Wheels • 11R22.5 • Air Sliding 5th Wheel • Dual Fuel Tanks • Headache Rack

Cummins X15 450 hp Engine • 2017 US EPA Label • 18345 Engine hrs • Eaton Fuller FAOM-15810C 10-Speed Automated Transmission • 12350 lb Front Axle • 40000 lb Rears • 52350 lb GVWR • Engine Brake • 177 in Wheelbase • Air Suspension • Aluminum Outer Wheels • 295/75R22.5 • Dual Fuel Tanks

Mack MP8 6 Cylinder Diesel 338 hp Engine • 2008 US EPA Label • 9999 Engine hrs • Air Conditioner • Cruise Control • Power Windows • Engine Brake • Eaton Fuller 13-Speed Manual Transmission • Differential Lock • 14320 lb Front Axle • 46000 lb Rears • 60320 lb GVWR • Air Ride Cab • Aluminum Wheels • 11R24.5 Front Tires • 11R24.5 Rear Tires • Air Ride Suspension • 234 in Wheelbase • PTO • Air Sliding 5th Wheel • Headache Rack • Dual Fuel Tanks

Detroit DD15 Engine • 13045 Engine hrs • Eaton Fuller FRO-15210C 10-Speed Manual Transmission • Engine Brake • 182 in Wheelbase • Air Suspension • 11R22.5 Front Tires • 11R22.5 Rear Tires • Air Sliding 5th Wheel • Dual Fuel Tanks

Detroit DD15 455 hp Engine • 2015 US EPA Label • 15416 Engine hrs • Eaton Fuller FRO-15210C 10-Speed Manual Transmission • 12000 lb Front Axle • 40000 lb Rears • 52000 lb GVWR • Exhaust Brake • Differential Lock • 182 in Wheelbase • Air Suspension • 11R22.5 Front Tires • 11R22.5 Rear Tires • Dual Fuel Tanks

Cummins ISX 435 hp Engine • 2006 US EPA Label • 27329 Engine hrs • Eaton Fuller 10-Speed Manual Transmission • 12000 lb Front Axle • 40000 lb Rears • 52000 lb GVWR • Engine Brake • 205 in Wheelbase • Air Suspension • Aluminum Wheels • 11R22.5 • PTO • Air Sliding 5th Wheel • Dual Fuel Tanks

Cummins ISX 425 hp Engine • 2006 US EPA Label • 22614 Engine hrs • Eaton Fuller FRO-16210C 10-Speed Manual Transmission • 12000 lb Front Axle • 40000 lb Rears • 52000 lb GVWR • Engine Brake • 205 in Wheelbase • Air Suspension • Aluminum Wheels • 11R22.5 • Wet Kit • Hydraulic System • PTO • Air Sliding 5th Wheel • Dual Fuel Tanks

Mack E7 427 hp Engine • 2001 US EPA Label • 15556.1 Engine hrs • Eaton Fuller FRO-16210C 10-Speed Manual Transmission 12000 lb Front Axle • 38000 lb Rears • 50000 lb GVWR • Engine Brake • 204 in Wheelbase • Air Suspension • Aluminum Wheels • 11R24.5 Front Tires • 11R24.5 Rear Tires • Air Sliding 5th Wheel • Dual Fuel Tanks

Detroit 455 hp Engine • 2005 US EPA Label • 17512 Engine hrs • Eaton Fuller 10-Speed Manual Transmission • 162 in Wheelbase • Air Suspension • 295/75R22.5 Front Tires • 295/75R22.5 Rear Tires • Air Sliding 5th Wheel

Mack Engine • 24640.7 Engine hrs • Eaton Fuller RTLO-16913A 13-Speed Manual Transmission 14600 lb Front Axle • 40000 lb Rears • 54600 lb GVWR • Engine Brake • 216 in Wheelbase • Spring Suspension • Air Lift Pusher Axle • Aluminum Wheels • 11R22.5 Front Tires • 11R22.5 Rear Tires • Wet Kit • PTO • Air Sliding 5th Wheel • Headache Rack

Cummins ISX 435 hp Engine • 2006 US EPA Label • 28923 Engine hrs • Eaton Fuller 10-Speed Manual Transmission • 12000 lb Front Axle • 40000 lb Rears • 52000 lb GVWR • Engine Brake • 205 in Wheelbase • Air Suspension • Aluminum Wheels • 11R22.5 • Air Sliding 5th Wheel • Blower

Mack MP8 338 hp Engine • 2007 US EPA Label • 15895 Engine hrs • Mack Maxitorque T310 10-Speed Manual Transmission 11680 lb Front Axle • 38000 lb Rears • 49680 lb GVWR • Engine Brake • 200 in Wheelbase • Camelback • 11R22.5 Front Tires • 11R24.5 Rear Tires • Wet Kit • PTO • Air Sliding 5th Wheel • Dual Fuel Tanks

Cummins ISX 435 hp Engine • 2005 US EPA Label • 26326 Engine hrs • Eaton Fuller 10-Speed Manual Transmission • 12000 lb Front Axle • 40000 lb Rears • 52000 lb GVWR • Engine Brake • 205 in Wheelbase • Air Suspension • 11R24.5 • Wet Kit • Hydraulic System • PTO • Air Sliding 5th Wheel

Mack E7 350 hp Engine • 1993 US EPA Label • 29914 Engine hrs • 208 in Wheelbase • Spring Suspension • 11R22.5 Front Tires • 11R22.5 Rear Tires • Dual Fuel Tanks