The Komatsu SK05J-2 skid-steer battery size is Group 31, and it uses a 12-volt electrical system. Its 600 CCA rating is average for Komatsu skid-steers in this dataset.
How this battery compares
Compared with other Komatsu skid-steer battery ratings in this dataset.
Battery specification
Model-specific replacement data
Replacement battery
What to match when buying
Komatsu's SK05J-2 skid steer loader uses a 12-volt electrical system, and Komatsu offers an All-Makes battery selection including Group 31 deep-cycle options designed for heavy equipment like skid steers
Battery location
Where the battery is mounted
The battery on the Komatsu SK05J-2 skid steer loader is located under the operator's seat.
Model details
Equipment identity
How to replace the battery
Basic replacement procedure
Park on level ground, lower the lift arms/attachment, stop the engine, remove the key and isolate electrical power. Open the battery access, disconnect the negative cable first and then positive, remove the hold-down and lift out the battery. Clean the tray/terminals, install the replacement securely, connect positive first and negative last, then verify charging voltage and starting operation.
Bad battery symptoms
Signs the battery may be failing
Common signs are slow or no cranking, repeated clicking from the starter/solenoid, dim or flickering lights/display, electronics resetting during crank, needing frequent jump-starts, rapid self-discharge, corroded/swollen battery case, or resting voltage that quickly falls under load. Confirm cable condition and alternator output before condemning the battery.
What battery size fits the Komatsu SK05J-2?
Quick answer
The official battery group size for the Komatsu SK05J-2 skid steer loader is Group 31. This battery is designed for deep cycle, marine, and RV/deep cycle service applications.
How many CCA does the Komatsu SK05J-2 need?
Quick answer
600 CCA. Best available fitment is based on closest same-brand/model-family match (SK820-5E0); an equal-or-higher CCA replacement is acceptable if the physical size and terminals match.
What voltage battery does the Komatsu SK05J-2 use?
Quick answer
The official battery voltage for the Komatsu SK05J-2 Skid Steer Loader is 12 volts. For replacement, it's recommended to use genuine Komatsu parts for optimal performance. manualesdetaller.cl
Where is the battery on the Komatsu SK05J-2?
Quick answer
The battery on the Komatsu SK05J-2 skid steer loader is located under the operator's seat.
What is the best replacement battery for the Komatsu SK05J-2?
Quick answer
Komatsu's SK05J-2 skid steer loader uses a 12-volt electrical system, and Komatsu offers an All-Makes battery selection including Group 31 deep-cycle options designed for heavy equipment like skid steers



