How to convert among the 6.1 series gearbox configurations For the B6.1, B6.1D, T6.1, and SC6.1

Part Number

Description

Lay Down 3-gear

Lay Back 3-gear

Stand Up 3-gear

Stand up 4-gear

Notes

9611

Slipper Pads, V2

✔

✔

✔

✔

25188

M3x0.5x20mm BHCS

✔

✔

✔

25215

Locknut, M3

✔

✔

✔

89202

M3x0.5x12mm BHCS

✔

✔

✔

89203

M3x0.5x16mm BHCS

✔

✔

✔

91709

B6 Chassis Braces

✔

✔

✔

✔

91716

B6 Idler Gear, 39T, Laydown

✔

Only laydown

91717

B6 Idler Gear, 26T, Standup

✔

✔

✔

91775

B6.1 Rear Ballstud Mount

✔

✔

✔

91788

B6.1 Standup Gearbox

✔

91790

B6.1 Layback Gearbox

✔

91791

B6.1 Laydown Gearbox

✔

91792

B6.1 Differential Height Inserts

✔

✔

Not in stand up

91794

B6.1 Standup Motor Plate

✔

91795

B6.1 Laydown/Layback Motor Plate

✔

✔

91798

B6.1 Standup Top Shaft

✔

91799

B6.1 Laydown/Layback Top Shaft

✔

✔

91800

B6.1 FT Direct Drive Kit

✔

✔

91801

B6.1 Slipper Spring

91803

B6.1 Slipper Hub, inner

✔

✔

91804

B6.1 Slipper Hub, outer

91813

B6.1 Gear Cover

7485

FT V2 Slipper Hub

✔

Can only run shocks on rear of arm when using this gearbox.

These parts work only with B6 gearbox

9739

Slipper Spring

✔

25187

M3x0.5x14mm BHCS

✔

91148

Locknut, M4, flanged

✔

91423

Slipper Spring Adapter

✔

91692

B6 Rear Gearbox Brace

✔

91693

B6 Rear Ballstud Mount

✔

91707

B6 Standup Gearbox, 4-gear

✔

91709

B6 Chassis Braces

✔

91710

B6 Top Shaft

✔

91711

B6 Gear Cover, 4-gear

✔

91714

B6 Standup Motor Plate, 4-gear

✔

91808
91809
91810

6.1 Spur Gears

#91811, #91812 (48P spur gears compatible with all)

Pick a Chassis

Part Number

Description

Lay Down 3-gear

Lay Back 3-gear

Stand Up 3-gear

Stand up 4-gear

Notes

91765

B6.1 Chassis

✔

✔

✔

✔

All 6.1 chassis' compatible with listed gearboxes

71100

T6.1 Chassis

✔

✔

✔

✔

71120

SC6.1 Chassis

✔

✔

✔

✔

Source: