Hewland LG 600 Gearbox Search for: Advanced Search Place Ad Browse Ads Search Ads Hewland LG 600 Gearbox Click to enlarge image. Contact Information Contact Seller () Phone: 976378453 Location: Wisconsin, #1 USA 35002 Price: $ 14,500 City: Canary More Information This is an excellent working Hewland LG 600 Gearbox i have for sale. The gearbox has been revised, all bearings and seals are new and the gears. Contact me if you have interest.