glrcwelches

Boman Motorized Carriage Mark VI-Super on Thunderbird TTY-6170 Tower Yarder (by Greg Roberti)

Boman Motorized Carriage - Mark V-Ultra-Mag on Madill 172 Tower Yarder (by Greg Roberti)

Boman Motorized Carriage - Mark VI-Super on Berger SP-23 Tower Yarder (by Greg Roberti)

Boman Motorized Carriage Z-7900 on Thunderbird TY-90 - Part 2 of 2 (by Greg Roberti)

Boman Motorized Carriage - Mark VI-Super on Thunderbird TY-90 Tower Yarder (by Greg Roberti)

Boman Motorized Carriage Z-7900 on Thunderbird TY-90 - Part 1 of 2 (by Greg Roberti)

Boman Motorized Carriage - Shop Tour (by Greg Roberti)

Boman Motorized Carriage - Mark V-H on Thunderbird TSY-255 Swing Yarder (by Greg Roberti)