The Komatsu SK1020-5N and SK1020-5NA Skid Steer Loaders are robust machines designed for demanding operational environments. These loaders, built with Komatsu's commitment to engineering quality and reliability, are equipped with a powerful Kubota V2203-M-DI diesel engine, delivering a gross power of 54.3 hp and a net power of 50.7 hp. Their hydrostatic transmission and 4-wheel drive system provide efficient power and maneuverability, making them suitable for a wide range of construction, landscaping, and material handling tasks. With an operating weight of 5511 lbs and a rated operating capacity of 1750 lbs, these skid steer loaders are engineered for performance and durability.
This Workshop Manual serves as a comprehensive guide to aid in improving the quality of repairs and maintenance for the Komatsu SK1020-5N and SK1020-5NA Skid Steer Loaders. It is meticulously organized into chapters, each focusing on a main group of components, and further divided into sections covering Structure and Function, Testing and Adjusting, Disassembly and Assembly, and Maintenance Standards. This manual is an essential resource for owners, mechanics, and technicians, providing the detailed information necessary to perform accurate diagnostics, routine maintenance, and complex repairs, thereby ensuring the continued optimal performance and longevity of the equipment.
SK1020-5N S/N A70001 AND ON
SK1020-5NA S/N A60001 AND ON
SKID STEER LOADER
This shop manual has been prepared as an aid to improve the quality of repairs by giving the operator an accurate
understanding of the product and by showing him the correct way to perform repairs and make judgements. Make sure
you understand the contents of this manual and use it to full effect at every opportunity.
This shop manual mainly contains the necessary technical information for operations performed in a service work-
shop.
The manual is divided into chapters on each main group of components; these chapters are further divided into the
following sections.
STRUCTURE AND FUNCTION
This section explains the structure and function of each component. It serves not only to give an understanding
of the structure, but also serves as reference material for troubleshooting.
TESTING AND ADJUSTING
This sections explains checks to be made before and after performing repairs, as well as adjustments to be
made at completion of the checks and repairs.
Troubleshooting charts correlating «Problems» to «Causes» are also included in this section.
DISASSEMBLY AND ASSEMBLY
This section explains the order to be followed when removing, installing, disassembling or assembling each
component, as well as precautions to be taken for these operations.
MAINTENANCE STANDARD
This section gives the judgement standards when inspecting disassembled parts.
SK1020-5N S/N A70001 AND ON
SK1020-5NA S/N A60001 AND ON
SKID STEER LOADER
This shop manual has been prepared as an aid to improve the quality of repairs by giving the operator an accurate
understanding of the product and by showing him the correct way to perform repairs and make judgements. Make sure
you understand the contents of this manual and use it to full effect at every opportunity.
This shop manual mainly contains the necessary technical information for operations performed in a service work-
shop.
The manual is divided into chapters on each main group of components; these chapters are further divided into the
following sections.
STRUCTURE AND FUNCTION
This section explains the structure and function of each component. It serves not only to give an understanding
of the structure, but also serves as reference material for troubleshooting.
TESTING AND ADJUSTING
This sections explains checks to be made before and after performing repairs, as well as adjustments to be
made at completion of the checks and repairs.
Troubleshooting charts correlating «Problems» to «Causes» are also included in this section.
DISASSEMBLY AND ASSEMBLY
This section explains the order to be followed when removing, installing, disassembling or assembling each
component, as well as precautions to be taken for these operations.
MAINTENANCE STANDARD
This section gives the judgement standards when inspecting disassembled parts.
