Hi from the UK,
I have the same problem on my Davenports,There is a model helicopter company called E-Flite use these brass gears on there choppers but the gears have got a 2mm hole,you will need to check the web who's got them in stock,These a model shop in the Czech Republic who makes plastic type gears,www.pojezdy.eu.
Hoping this mite help Mike,

hi there,
thanking you all for your replies,i have used Dallas at BVM excellent castings,
DWU--- reference to the mow bus #46211,i believe the mow bus is two axle drive is the electric motor in the centre  of the two axle drive shafts or near to one of the axles,Bachmann do not show a diagram for the mow bus with high railers as i want to use the power chassis for two axle Mack truck,
best regards Mike,

hi there,
can anybody help me please is the latest bachmann ho mow bus with high railers #46211 four wheel drive,i know the first batch where two wheel drive,wanted for a rail truck  kitbash,
thanking you mike,

hi from the UK,
have any forum members use any of the four Bachmann ho MOW vehicles high railers for on30 railtrucks or railcars etc kitbash as i wish to have a go at it,
regards mike,

 hi Rich,
top man thanking you for picture and measurements,
kind regards Mike,

hi from the UK,
can any member give me the axle centres for the Bachmann  GE 70 Ton loco as following,the first front hood drive axle to the cab rear forth drive axle centres, also the first and second power axles centres, has i want to use a GE 70 Ton loco for on30 kitbash,
thanking you Mike,

hi from the UK,
can anybody help me,i have two Gas locos fitted with Banta t-2109 crew cab body kits,i wish to fit a red led light to the rear end of the cab body's,the front end is fitted with a white led light,can the dcc circuit board be wired for the red led if so how,
thanking you Mike,

Hi there from the UK,
Can any body tell me the absolute minimum radius for the following two Bachmann ho locos GE44 ton single motor drive and the GE45 ton,these motorise chassis to be used for on30 scale,
thanking you Mike,

Hi there from the UK,can anybody help me with the following information please,wheel centres for the Bachmann 2-6-0 Mogul loco,taken from the locos first driving wheel to the rear last wheel on the tender,when loco and tender is connected together,as I want to convert this loco to a 0-6-0 switcher as I want  this loco to go on my 10.250" diameter turntable,thanking Mike,

Hi there from the UK,Can anybody tell me has the Bachmann rail truck got pickup whipers on all three axles for better running,as I be believe this model is a single axle drive,as I want to use the rail truck for a kitbash projet,thanking you Mike.