Rockford Powertrain - Products
A brief outline of the NV4500 by Drive Train Specalists.
NV4500
Information
Sofcom presents all the information you need to know about 4 wheel drive
mechanical things.
4WD
Four-Wheel Drive Mechanical Matters
Deals mostly with automatic transmissions and why they fail all over
the place. Good information.
http://www.thegrid.net/thedrivetrainpage/
The entire gear industry appears to be here. Email them all about
new transfer case gears!
Gear
Industry Home Page--Gear Technology magazine, plus links to gear machines,
gear tooling, gear manufacturing and more!
A gear manufacturer shows us what can be done.
Catalog
Gears
Do check out their PTO section, the clutches look interesting as well
but I don't have a locomotive just yet.
About
Twin Disc
A good technical drawing of how a limited slip viscous coupling can
work in a full time transfer case.
GIF
image 629x419 pixels
You have to do a fair bit of snooping about but finally you will find
their incredably uninformative page on automotive locking differentials.
GKN
Home Page
The man that first put gearing in gears. Deep ratio transfers
and dual boxes.
Marlin
Crawler©
A very interesting way to use shackles, these unfold and rotate in the
middle allowing your rear axle to drop way down there.
Revolver
Shackles from Metal Made-Rite
All different gear types explained with Lego??
Introduction to All Wheel Drive systems text/ I don't agree with
his conclusions but that might just be me.
http://www.eskimo.com/~eliot/awd.html
A great page with side veiws of many transmissions, also PDF files for
parts.
http://www.diverco.com/transmis.htm
A site devoted to the NP transfer cases showing pictures of each.
http://www.diverco.com/newprocess.htm
A site devoted to Borg Warner transfer cases showing pictures of each.
http://www.diverco.com/borg.htm
Gear ratios for common transmissions
http://users.neca.com/crossrds/transratio.htm
Ever wonder about the makers of the NV4500, where they came from, how
much they sell and stuff like that.
CorpTech
capsule for New Venture Gear, Inc.
American Axle & Manufacturing, engineering and manufacture of driveline
systems, chassis systems
http://www.aam.com/
PTO pumps and outputs.
http://www.pto.net/hydrocar/hydrocar1.html
Brakes, clutches U-joints and shafts.
http://rowland2.com/html/products.html
Can't find it? Well as a last resort try the Soup to Nuts page.
This page made with sticks and mud.