Looks like the handles are longer, too, and some other dimensions are different.

Just to summarize:

$89.99 Harbor Freight Item 91039-1VGA
Minimum saddle height: 3''
Maximum saddle height: 15-1/8''
Handle overall length: 23''
Two piece knurled aluminum handle prevents slipping
Overall dimensions: 20-1/2" L x 9-3/8" W x 8" H

$129.99 Harbor Freight Item 47246-9VGA
Minimum saddle height: 3-1/2''
Maximum saddle height: 17-1/2''
Hydraulic lift: 14''
Handle overall length: 47-1/4''
Two piece knurled aluminum handle prevents slipping
Pumps for maximum height: 6
Overall dimensions: 23.62'' L x 11.81''W x 6.1''H
Tool weight: 35.40 lbs.

$199.99 Harbor Freight Item 2672-5VGA
Minimum saddle height: 4''
Maximum saddle height: 19''
Pumps for maximum height: 5
Overall dimensions: 26"L x 13"W
Non-marring industrial grade nylon wheels turn on heavy duty 5/8" diameter axles
Two fixed wheels in front: 2-1/4" x 2" , two swivel wheels in rear: 1-7/8" x 1-3/8"
Tool weight: 55.0 lbs.