Chassis and bodywork dimensions

Bodywork Exchange Parameters

The standardised chassis and bodywork dimensions, Bodywork Exchange Parameters (BEP)¹ according to ISO 21308, are presented here in addition to a number of Scania dimensions.

Click on the dimension to display the illustration.

For more information and how to calculate see document “chassis dimensions” (Chassis Dimensions (scania.com)

1. See Terms & Abbreviations

BEP – length dimensions

Code	Assignment	Description
BEP-L001	Overall length	Distance from front edge of vehicle to rear edge of vehicle, including accessories in both front and rear ends.
BEP-L002	Front reference point for measuring	Distance from the centre of the first front axle to the front reference point for measuring.
BEP-L003	Rear reference point for measuring	Distance from the first driven rear axle to the rear reference point for measuring.
BEP-L010	Total wheel base	Distance between centre of first front axle to the centre of the last axle.
BEP-L011	Configuration wheel base	Distance between centre of first front axle to the centre of first driven rear axle.
BEP-L012.n	Wheel space from n to n+1 axle	Distance between centre of wheels on n-th and (n+1)‑th axles.
BEP-L013	Theoretical wheel base of front axle combination	Distance between first front axle to calculated mass line of front axle combination.
BEP-L014	Theoretical wheel base of rear axle combination	Distance between first driven rear axle to calculated mass line of rear axle combination.
BEP-L015	Theoretical wheel base	Distance between the calculated mass lines of front and rear axle combinations.
BEP-L016	Front vehicle overhang	Distance between front edge of vehicle and centre of wheel on first axle.
BEP-L017	Rear vehicle overhang	Distance between centre of last axle and rearmost part of vehicle.
BEP-L018	Front frame overhang	Distance from foremost edge of front frame to centre of first front axle.
BEP-L019	Rear frame overhang	Distance between the centre of last axle to rearmost edge of frame side member.
BEP-L020	Rear frame overhang from first driven rear axle	Distance between the centre of first driven rear axle to rearmost edge of frame side member.
BEP-L021	Technical overhang length	Distance between calculated mass lines of rear axle combination and rearmost edge of vehicle or bodywork.
BEP-L022.n	Tyre diameter on n-th axle	Tyre, free diameter, on n-th axle.
BEP-L023	Rear under-run protection, longitudinal position	Distance between the last axle and the rear face of the rear under-run protection, minimum and fixed position.
BEP-L024	Rear under-run protection, longitudinal position	Distance between the last axle and the rear face of the rear under-run protection, maximum position of adjustable under-run protection.
BEP-L030.p.t	Start of chassis-mounted object, length	Distance between the centre of the first front axle and the foremost part of object p mounted on the chassis.
BEP-L031.p.t	End of chassis-mounted object, length	Distance between the centre of the first front axle and the rearmost end of object p mounted on the chassis.
BEP-L032	Length of frame from centre of first front axle	Distance between the centre of the first front axle and the rear end of the chassis.
BEP-L033	Minimum length of frame from centre of first front axle	Minimum distance between the centre of the first front axle and the rear end of the chassis.
BEP-L034	Front edge of front cross-member	Distance from front edge of front cross-member to centre of first front axle.
BEP-L035	Towing member reference position	Distance from centre of the first driven rear axle to rear cross-member mounting surface for trailer couplings.
BEP-L036.n.t	Distance to the front edge of the n-th front intermediate cross-member	Distance from the centre of the first front axle to the front edge of the n-th intermediate cross-member on the centre-line of the chassis.
BEP-L037.n.t	Distance to the front edge of the n-th rear intermediate cross-member	Distance from the centre of the first driven rear axle to the front edge of the n-th intermediate cross-member on the centre-line of the chassis.
BEP-L038.n.t	Distance to the hole pattern in the front part of frame	Distance from the centre of the first front axle to the index point for positioning, of the n-th hole pattern in frame.
BEP-L039.n.t	Distance to the hole pattern in the rear part of frame	Distance from the centre of the first driven rear axle to the index point for positioning, of the n-th hole pattern in frame.
BEP-L040.n	Start of restricted area within frame	Distance between the centre of the first front axle and the beginning of the n-th restricted area within the chassis frame.
BEP-L041.n	End of restricted area within frame	Distance between the centre of the first front axle and the end of the n-th restricted area within the chassis frame.
BEP-L042.n	First front axle centre to n-th bend in frame	Distance between centre of wheel on first front axle and n-th bend in frame (if behind the cab).
BEP-L043.p	PTO longitudinal position	Distance between the centre of the first front axle and the reference point of Power Take-Off p.
BEP-L044	Centre of gravity of chassis, longitudinal	Theoretically calculated centre of gravity of chassis measured from the centre of the first front axle.
BEP-L045.p	Length to coupling pin centre	Distance from the centre of the first front axle of vehicle to the rotation centre of the trailer coupling device p.
BEP-L046.n.s	Start of available space zone, length	Start of a zone of available space on the outside of the chassis frame for use by the bodywork manufacturer, measured from the centre of the first front axle.
BEP-L047.n.s	End of available space zone, length	End of a zone of available space on the outside of the chassis frame for use by the bodywork manufacturer, measured from the centre of the first front axle.
BEP-L048.p	Start of frame section profile	Start of frame section profile p, measured from the centre of the first front axle.
BEP-L049.p	End of frame section profile	End of frame section profile p, measured from the centre of the first front axle.
BEP-L050.p	Start of frame re‑inforcement profile	Start of frame re-inforcement profile p, measured from the centre of the first front axle.
BEP-L051.p	End of frame re‑inforcement profile	End of frame re-inforcement profile p, measured from the centre of the first front axle.
BEP-L061	Front axle to cab tilt into servicing position	Distance from the centre of the front axle to an x-plane touching the foremost point of the cab in the servicing maximum tilt position.
BEP-L062	Driving cab hinge point, longitudinal	Distance measured from centre of the first front axle to hinge point.
BEP-L063	End of cab	Distance between the centre of the first front axle and the rear end of the cab.
BEP-L064.n	End of cab-mounted object	Distance between the centre of the first front axle and the rearmost end of the n-th object mounted on the cab.
BEP-L070.n.t	Distance to the n-th cross-member in sub-frame, front	Distance from the centre of the first front axle to the n‑th cross-member front edge in sub-frame.
BEP-L071.n.t	Distance to the n-th cross-member in sub-frame, rear	Distance from the centre of the first driven rear axle to the n-th cross member front edge in sub-frame.
BEP-L072	Distance to fifth-wheel kingpin from front axle, foremost	Distance from centre of the first front axle of vehicle to centre of fifth-wheel kingpin coupling, foremost position.
BEP-L073	Distance to fifth-wheel kingpin from front axle, nominal	Distance from centre of the first front axle of vehicle to centre of fifth-wheel kingpin coupling, nominal position.
BEP-L074	Distance to fifth-wheel kingpin from front axle, rearmost	Distance from centre of the first front axle of vehicle to centre of fifth-wheel kingpin coupling, rearmost position.
BEP-L075	Distance to fifth-wheel kingpin from rear axle, foremost	Distance from centre of the first driven rear axle of vehicle to centre of fifth-wheel kingpin coupling, foremost position.
BEP-L076	Distance to fifth-wheel kingpin from rear axle, nominal	Distance from centre of the first driven rear axle of vehicle to centre of fifth-wheel kingpin coupling, nominal position.
BEP-L077	Distance to fifth-wheel kingpin from rear axle, rearmost	Distance from centre of the first driven rear axle of vehicle to centre of fifth-wheel kingpin coupling, rearmost position.
BEP-L100	Length of bodywork	Distance between the front and rear outermost points of a bodywork.
BEP-L101	Interior length of bodywork	Interior distance between the front and rear boards.
BEP-L102	Distance from first front axle to bodywork	Minimum distance from the centre of the first front axle to the front edge of the bodywork.
BEP-L103	Centre of gravity of payload, foremost position	Theoretically calculated foremost position where maximum payload may be applied, measured from the centre of the first front axle.
BEP-L104	Centre of gravity of payload, rearmost position	Theoretically calculated rearmost position where the maximum payload may be applied, measured from the centre of the first front axle.
BEP-L105	Maximum body length referring to the centre of gravity, rearmost position	Maximum body length referring to the centre of gravity, in ideal circumstances, with an even load distribution.
BEP-L106.n	Centre of gravity of bodywork objects	Distance between the centre of the first front axle and the centre of gravity of major bodywork components.

BEP – Height dimensions

Code	Assignment	Description
BEP-H001	Maximum external height, unladen	Distance from ground to top of cab, including cab mounted parts, with the chassis unladen but in operating order.
BEP-H002	Maximum external height, laden	Distance from ground to top of cab, including cab mounted parts, in laden condition.
BEP-H003	Maximum overall height of vehicle, unladen	Distance from ground to the highest point of the vehicle including bodywork.
BEP-H013	Ground clearance, rear part	Distance between the ground and the lowest fixed point between the centre of the last front axle and the rearmost part of the chassis.
BEP-H014	Ground clearance, front part	Distance between the ground and the lowest fixed point between the front part of the chassis and the centre of the last front axle.
BEP-H015.n	Ground clearance, front axle(s)	Smallest vertical dimension between vehicle front axle(s) and ground level.
BEP-H016.n	Ground clearance, rear axle(s)	Smallest vertical dimension between vehicle rear axle(s) and ground level.
BEP-H017	Front under-run protection, upper	Distance between the ground and the uppermost part of the front under-run protection.
BEP-H018	Front under-run protection, lower	Distance between the ground and the lowest part of the front under-run protection.
BEP-H019.n	Side under-run protection(s), upper	Distance between the ground and the uppermost part of the side under-run protection.
BEP-H020.n	Side under-run protection(s), lower	Distance between the ground and the lowest part of the side under-run protection.
BEP-H021	Rear under-run protection, upper	Distance between the ground and the uppermost part of the rear under-run protection.
BEP-H022	Rear under-run protection, lower	Distance between the ground and the lowest part of the rear under-run protection.
BEP-H030.p.t	Start of chassis-mounted object, height	Distance from the top of chassis frame to the highest part of object p mounted on the chassis.
BEP-H031.n.t	End of chassis-mounted object, height	Distance from the top of chassis frame to the lowest part of object p mounted on the chassis.
BEP-H032.p	Frame section profile height	Profile height of frame section p.
BEP-H033.p	Frame section profile bottom thickness	Thickness of frame section profile p bottom.
BEP-H034.p	Frame section profile top thickness	Thickness of frame section profile p top.
BEP-H035	Height of frame, unladen, front	Distance from top edge of frame to ground measured at the first front axle, unladen condition.
BEP-H036	Height of frame, laden, front	Distance from top edge of frame to ground measured at the first front axle, laden condition.
BEP-H037	Height of frame over first driven rear axle, unladen	Distance from top edge of frame to ground measured at the first driven axle, unladen condition.
BEP-H038	Height of frame over first driven rear axle, laden	Distance from top edge of frame to ground measured at the first driven axle, laden condition.
BEP-H039	Height of frame at theoretical rear wheel base, unladen	Distance from top edge of frame to ground measured at the theoretical wheelbase, unladen conditions.
BEP-H040	Height of frame at theoretical rear wheel base, laden	Distance from top edge of frame to ground measured at the theoretical wheel base, laden conditions.
BEP-H041.n	Wheel centre to top of frame	Height of wheel centre to top of chassis frame for the n-th axle.
BEP-H042.n	Top of wheel to top of frame	Highest wheel position relative to top of chassis frame for the n-th axle, taking into account maximum bounce.
BEP-H043.p	PTO vertical position	Distance between the top of the chassis frame and the reference point of Power Take-Off p.
BEP-H044	Centre of gravity of chassis, vertical	Theoretically calculated centre of gravity of chassis, measured from the ground surface.
BEP-H045.p	Height to coupling pin centre	Distance from top chassis frame to the rotation centre of the trailer coupling device p.
BEP-H046	Raising from driving position, front	Height change between driving position and topmost raised position, measured at the first front axle centreline.
BEP-H047	Lowering from driving position, front	Height change between driving position and lowest lowered position, measured at the first front axle centreline.
BEP-H048	Raising from driving position, rear	Height change between driving position and topmost raised position, measured at the first rear axle centreline.
BEP-H049	Lowering from driving position, rear	Height change between driving position and lowest lowered position, measured at the first rear axle centreline.
BEP-H052.p	Frame re-inforcement profile height	Height of frame re-inforcement profile p.
BEP-H053.p	Frame re-inforcement bottom thickness	Thickness of frame re-inforcement profile p bottom.
BEP-H054.p	Frame re-inforcement top thickness	Thickness of frame re-inforcement profile p top.
BEP-H055.p	Frame re-inforcement distance to frame bottom	Distance from the bottom of frame re‑inforcement profile p to frame bottom.
BEP-H060	Driving cab hinge point, vertical	Distance measured from upper edge of frame to hinge point.
BEP-H061	Maximum overall height, tilt cab servicing	Vertical distance between the ground and the topmost point of the cab during tilting.
BEP-H063	Cab height from frame	Distance from top of frame to top of cab roof.
BEP-H070	Sub-frame height	Height of sub-frame profile.
BEP-H071	Fifth-wheel sub-frame	Height of fifth-wheel sub-frame measured from top edge of frame to top edge of sub-frame.
BEP-H072	Fifth-wheel sub-frame top height without coupling, unladen	Height from ground to top edge of fifth-wheel coupling sub-frame with the vehicle unladen.
BEP-H073	Fifth-wheel sub-frame top height without coupling, laden	Height from ground to top edge of fifth-wheel coupling sub-frame with the vehicle laden.
BEP-H074	Height of fifth-wheel coupling, uppermost position	Height of fifth-wheel coupling above sub-frame, uppermost position.
BEP-H075	Height of fifth-wheel coupling, lowest position	Height of fifth-wheel coupling above sub-frame, lowest position.
BEP-H076	Fifth-wheel coupling above ground, unladen, uppermost position	Distance from top edge of fifth-wheel coupling, in uppermost position, to ground in unladen condition.
BEP-H077	Fifth-wheel coupling above ground, unladen, lowest position	Distance from top edge of fifth-wheel coupling, in lowest position, to ground in unladen condition.
BEP-H078	Fifth-wheel coupling above ground, laden, uppermost position	Distance from top edge of fifth-wheel coupling, in uppermost position, to ground in laden condition.
BEP-H079	Fifth-wheel coupling above ground, laden, lowest position	Distance from top edge of fifth-wheel coupling, in lowest position, to ground in laden condition.
BEP-H100	Load deck height from top of chassis frame	Distance from top of chassis frame to body floor.
BEP-H101	Interior height of bodywork	Interior distance between the floor and ceiling of the bodywork.
BEP-H102.n	Body access opening height	Interior height of the access opening to the body.
BEP-H104	Centre of gravity of payload, topmost	Maximum allowed height of the centre of gravity of the payload.
BEP-H135	Height of frame, lowest possible, front	Distance from top edge of frame to ground measured at the first front axle, lowest possible position.
BEP-H136	Height of frame, highest possible, front	Distance from top edge of frame to ground measured at the first front axle, highest possible position.
BEP-H137	Height of frame over first driven rear axle, lowest possible	Distance from top edge of frame to ground measured at the first driven axle, lowest possible position.
BEP-H138	Height of frame over first driven rear axle, highest possible	Distance from top edge of frame to ground measured at the first driven axle, highest possible position.
BEP-H139	Height of frame at theoretical rear wheel base, lowest possible	Distance from top edge of frame to ground measured at the theoretical wheelbase, lowest possible position.
BEP-H140	Height of frame at theoretical rear wheel base, highest possible	Distance from top edge of frame to ground measured at the theoretical wheelbase, highest possible position.

BEP – width dimensions

Code	Assignment	Description
BEP-W001	Overall width of chassis with cab	Maximum external width of the vehicle chassis.
BEP-W002	Width across cab	External width of cab.
BEP-W003.n	Width across wheels on n-th axle	External width across the wheels on the n-th axle.
BEP-W013.n	Track	Distance between centres of the tyres of the n-th axle.
BEP-W014.n	Twin tyre distance	Distance between the centres of the two tyres of the n-th axle on one side.
BEP-W015.n	Spring track distance	Distance between the centreline of springs at the n-th axle.
BEP-W016.n	Distance between tyre inner edges on n-th axle	Distance between tyre inner edges on n-th axle.
BEP-W030.p.t	Start of chassis-mounted object, width	Distance from the centreline of chassis frame to the nearest part of object p mounted on the chassis.
BEP-W031.p.t	End of chassis-mounted object, width	Distance from the centreline of chassis frame to the furthest part of object p mounted on the chassis.
BEP-W032.p	Frame section profile bottom width	Width of frame section profile p bottom.
BEP-W033.p	Frame section profile top width	Width of frame section profile p top.
BEP-W034.p	Frame section profile waist thickness	Thickness of frame section profile p waist.
BEP-W035	Width of frame at front area	External width of frame in front area of the vehicle.
BEP-W036	Width of frame at rear area	External width of frame in rear area of the vehicle.
BEP-W044	Centre of gravity of chassis, lateral	Theoretically calculated centre of gravity of chassis, measured from the centreline of the chassis.
BEP-W052.p	Frame re-inforcement bottom width	Width of frame re-inforcement profile p bottom.
BEP-W053.p	Frame re-inforcement top width	Width of frame re-inforcement profile p top.
BEP-W054.p	Frame re-inforcement waist thickness	Thickness of frame re-inforcement profile p waist.
BEP-W100.n	Exterior width of bodywork	Distance between the left and right outermost points of bodywork.
BEP-W101	Interior width of bodywork	Interior distance between the left and right side boards.
BEP-W102.n	Body access opening width	Interior width of the access opening to the body.

BEP – radial dimensions

Code	Assignment	Description
BEP-R011	Turning circle radius	The radius of the circle described by the centre of the tyre of the outer steered wheel at the first front axle at maximum steering angle.
BEP-R012	Clearance circle radius	The radius of the circle described by the outer edge of the vehicle at maximum steering angle.
BEP-R062	Cab tilt radius	Radius described by the outer cab contour during the tilting process. The dimension relates to the measured cab hinge point.
BEP-R078	Fifth-wheel coupling pin to cab	Distance between the centre of the fifth-wheel coupling pin and the nearest object behind the cab.
BEP-R079	Fifth-wheel coupling pin to the furthest obstacle on the towing vehicle	Distance between the centre of the fifth-wheel coupling pin and the furthest obstacle at rear of the towing vehicle, taken as a radial dimension.

BEP – angular dimensions

Code	Assignment	Description
BEP-V010	Approach angle	Angle between the tangent of the rolling radius of the tyres and the lowest fixed point of the vehicle in front of the axle, for technical front axle mass.
BEP-V011	Departure angle	Angle between the tangent of the rolling radius of the tyres and the lowest fixed point of the vehicle behind the axle, for technical rear axle mass.
BEP-V012	Ramp angle
BEP-V013.n.s	Steering angle	Maximum steering angle of wheels.
BEP-V060	Cab tilt angle	Maximum tilt angle from driving position.

Scania specific dimensions

Code	Description
CO	Distance between the top edge of the chassis frame and the highest point on the cab during tilting.
FTF.L	Distance between a point at the very front of the fuel tank on the left-hand side of the vehicle and the centreline of the fuel filler.
FTF.R	Distance between a point at the very front of the fuel tank on the right-hand side of the vehicle and the centreline of the fuel filler.
UTF.L	Distance between a point at the very front of the reductant tank on the left-hand side of the vehicle and the centreline of the reductant tank filler.
UTF.R	Distance between a point at the very front of the reductant tank on the right-hand side of the vehicle and the centreline of the reductant tank filler.
XX	Distance between the top edge of the chassis frame and the highest point of the tyre with a raised tag axle.