The Komatsu SK1020-5 turbo skid-steer battery size is Group 31, and it uses a 12-volt electrical system. Its 800 CCA rating is high 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
Use a heavy-duty 12 V starting battery in BCI Group 31 with about 800 CCA (or higher), provided the case dimensions, hold-down and terminal orientation match. AGM is a good upgrade for vibration resistance; verify the machine serial number before purchase.
Battery location
Where the battery is mounted
The battery on the Komatsu SK1020-5 turbo skid steer loader is typically located under the seat or in the rear compartment of the machine. For specific battery specifications and replacement options, it's best to consult the owner's manual or a parts supplier.
Model details
Equipment identity
How to replace the battery
Basic replacement procedure
To replace the battery on a Komatsu SK1020-5 turbo skid steer loader, first remove the negative battery cable, then the positive cable, and finally take out the old battery. After that, install the new battery by connecting the positive cable first, followed by the negative cable.
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 SK1020-5 turbo?
Quick answer
The official battery group size for the Komatsu SK1020-5 Turbo Skid Steer Loader is Group 31. For replacement, it's important to ensure compatibility with the specific model's requirements.
How many CCA does the Komatsu SK1020-5 turbo need?
Quick answer
800 CCA. Best available fitment is based on closest same-brand/model-family match (SK1020-5 Super Flow); an equal-or-higher CCA replacement is acceptable if the physical size and terminals match.
What voltage battery does the Komatsu SK1020-5 turbo use?
Quick answer
The official battery voltage for the Komatsu SK1020-5 Turbo Skid Steer Loader is 12 volts. For replacement, you can find compatible batteries through various suppliers that offer parts for this model.
Where is the battery on the Komatsu SK1020-5 turbo?
Quick answer
The battery on the Komatsu SK1020-5 turbo skid steer loader is typically located under the seat or in the rear compartment of the machine. For specific battery specifications and replacement options, it's best to consult the owner's manual or a parts supplier.
What is the best replacement battery for the Komatsu SK1020-5 turbo?
Quick answer
Use a heavy-duty 12 V starting battery in BCI Group 31 with about 800 CCA (or higher), provided the case dimensions, hold-down and terminal orientation match. AGM is a good upgrade for vibration resistance; verify the machine serial number before purchase.



