The Komatsu SK820-8E0 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 SK820-8 skid steer loader is typically located under the seat or in the rear compartment of the machine. For specific battery specifications and replacement details, it's best to consult the owner's manual or contact a Komatsu dealer.
Model details
Equipment identity
How to replace the battery
Basic replacement procedure
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 SK820-8E0?
Quick answer
The official battery group size for the Komatsu SK820-8E0 skid steer loader is Group 31. For replacement, it's important to check the specific voltage and capacity requirements as per the manufacturer's specifications.
How many CCA does the Komatsu SK820-8E0 need?
Quick answer
The recommended battery for the Komatsu SK820-8E0 skid steer loader typically has a Cold Cranking Amps (CCA) rating of around 800 CCA. It's important to verify the specific battery requirements in the owner's manual or with a Komatsu dealer for the most accurate specifications.
What voltage battery does the Komatsu SK820-8E0 use?
Quick answer
The official battery voltage for the Komatsu SK820-8 skid steer loader is 12 volts. For replacement, it's important to check the specific model's manual for detailed specifications.
Where is the battery on the Komatsu SK820-8E0?
Quick answer
The battery on the Komatsu SK820-8 skid steer loader is typically located under the seat or in the rear compartment of the machine. For specific battery specifications and replacement details, it's best to consult the owner's manual or contact a Komatsu dealer.
What is the best replacement battery for the Komatsu SK820-8E0?
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.



