Komatsu Sk820-5 Manuals. Workshop And Operation Manuals. This collection contains the following 2 manuals: Komatsu sk820-5 operation & maintenance manual. This is the factory manual.244 pages. SERIAL... 1. Komatsu SK818-5 and SK820-5 shop manual. 2. Komatsu sk820-5 operation & maintenance manual Download 16.95 USD X The seller macthree offers you 30.0% on each sale!