Ford 1999 F-150 - Drivetrain Specifications

DRIVETRAIN
Rear axle 9.75 in limited-slip differential with 3.55:1 final drive
ratio
Driveshaft Steel with hardened yoke
Transmission Modified 4R100 4-speed automatic with OD lockout
Gear ratios Gear Ratio
1st 2.71
2nd 1.53
3rd 1.00
4th (OD) 0.71
Reverse 2.176
Drivetrain
8