The Komatsu SK1020-5n and SK1020-5na loader Service Repair Manual provides comprehensive repair and maintenance information for these skid steer loaders. It covers serial numbers SK1020-5N A70001 and up, and SK1020-5NA A60001 and up, including the S4D98E-2 engine. The manual offers a detailed breakdown of various system components and their functions, along with step-by-step instructions for disassembly, assembly, and repair procedures. It includes extensive troubleshooting guides, detailed diagrams, exploded views, illustrations, and photographs to aid in understanding and executing each repair process. The manual covers a wide range of topics including: general information, structure and function, maintenance standards, standard value tables, testing and adjusting, troubleshooting, disassembly and assembly, and comprehensive diagrams and schematics. It covers components such as the piston, liner, piston ring, con rod bearing, main bearing, valve guide, thrust washer, retainer, exhaust valve, inlet valve, bushing, glow plug, gasket, overhaul gasket kit, gasket kit, track link, track roller, carrier roller, idler, recoil spring, segment group, sprocket, track shoe, pin & bushing, swing bearing, track bolt & nut, plough bolt & nut, mounting bolt, metric hex bolt, segment bolt & nut, bucket teeth, adaptor, pin & retainer, ripper teeth, shank, end bit, side cutter, cutting edge, grader blade, cylinder head, all types of pumps, dowel pin, valve, bushing, spring, bronze disk, drum, gauge, flange, gear, pinion, shaft, guide, collar, manifold, pin, universal joint, muffler, crankshaft, dowel, bevel gear, impeller, ring lock, sleeve, compressor, bracket, tube assembly, yoke, wrench, shim, screw, gear torque converter, stud, foot valve, bushing, bushing bronze, chamber, mounting, cap bearing, gear planet, disk brake pad, carrier, strap, snap ring, holder, valve seat, rebuild kit, equalizer bar, diagonal cap, fuel line assembly, bearing shell, con rod, cage, rod end, hub, fork, grease gun, clutch disc & plate, steering disc & plate, transmission disc & plate, piston shoe, set plate, rotor, valve plate, shoe plate, swash plate, drive shaft, shim, guide piece, guide ring, axle shaft bushing, relief valve, cylinder block, axle bush, square bearing, stopper joint, disc driving, spring compass, gear pump, centre pin, servo piston, spring conical, block bearing, lever, spacer, coupling spine, solenoid valve, ball guide, check valve, gasket M/P, retainer, cam rocker, push rod, O ring, gasket, gasket kit, seal, seal O-ring, wear ring, ring, repair kit, oil seal, seal kit, back up ring, lock, seal lip type, wiper seal, wiper ring, seal group, seal assembly, wheels, tires, cab and many more. The manual is organized with bookmarked chapters for easy navigation, enabling you to quickly identify the specific repair procedure needed. Notes, cautions, and warnings are highlighted throughout each chapter to emphasize critical service information. Numbered instructions guide you through each repair procedure step-by-step, with bold figured numbers connecting illustrations and instructions.

The Komatsu SK1020-5n and SK1020-5na skid steer loaders are compact and versatile machines designed for a wide range of applications. The SK1020-5n features a powerful 74 horsepower (55 kW) engine and a generous operating capacity of 2,000 pounds. The SK1020-5na variant boasts a slightly higher operating capacity of 2,200 pounds, attributed to its extended lift arms. Both models offer exceptional maneuverability thanks to their compact size and robust hydraulic system, enabling them to navigate tight spaces and challenging terrain with ease. They are also equipped with a variety of attachments, including buckets, forks, augers, and brooms, further enhancing their versatility and allowing them to perform a wide range of tasks, from material handling and landscaping to snow removal and construction. The SK1020-5n and SK1020-5na skid steers are renowned for their durability and reliability, built with high-quality components to withstand even the toughest environments. The robust design and advanced technology incorporated into these machines ensure optimal performance and long-lasting service life. Komatsu's commitment to safety is evident in the numerous features integrated into these loaders, including a roll-over protective structure (ROPS), a falling-object protective structure (FOPS), and an emergency stop switch. These features provide a safe and secure operating environment for operators while maximizing productivity. The SK1020-5n and SK1020-5na are ideal choices for contractors, landscapers, and other professionals seeking a powerful, versatile, and reliable skid steer loader for a wide array of tasks.