Fender tag decode on '73 SE

[rayderluvr]

I used the decoder at mymopar.com with information below:

WP29:
Dodge Coronet,Charger
Premium
2 Door Sports Hardtop

P36: 400 260HP(net) 1-4BBL 8 CYL
1973
Newark, DE, USA

152864:   Sequence number

E68:    Unknown
D34:    Light Duty Automatic Transmission
JF1:    Pale Green Exterior Color
V3F6:    Trim - Unknown, Cloth/Vinyl Bench Seat, Green
JF8:    Dark Green Poly Int. Door Frames
C15:    Build Date: December 15
186980:   Order number

V1F:    Full Vinyl Top, Green
U:    USA Specifications
B41:    Front Disc Brakes w/Standard 10in RR Drum
G11:    Tinted Glass (all)
G37:    OS Dual Racing Mirrors
N51:    Maximum Engine Cooling

J25:    3 Speed Wipers
J52:    Inside Hood Release
L31:    Hood/Fender Mounted Turn Signals
M21:    Roof drip rail moldings
M25:    Wide sill moldings
M26:    Wheel Lip Moldings

M31:    Belt Moldings
M36:    Rear Bumper Periphery
N41:    Dual Exhaust
N42:    Chrome Exhaust Tips
N95:    Emissions Control

P31:    Power Windows
R21:    AM/FM Radio (5 1/2 Watts)
V7W:    Accent Stripes, White
28:    Unknown
EHD:    Unknown


I got most of the information I was looking for, but no rear diff info. Could someone tell me what light duty transmission means? I assumed it was a 727, but is an undesirable 727 or?? Also, it says full vinyl top, but it appears it was a 3/4 top.