The Komatsu CK35-1 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.
ModelCK35-1
BrandKomatsu
Voltage12 V
EquipmentSkid Steer
Voltage
12 V
Cold cranking
600 CCA
Battery size
Group 31
Battery location
See details below
How this battery compares
Compared with other Komatsu skid-steer battery ratings in this dataset.
Cold cranking amps600 CCA
Average
LowAverageHigh
Low 600 CCAMedian 600 CCAHigh 1050 CCA
BA
Battery specification
Model-specific replacement data
System voltage
12 V
Battery group size
Group 31
Cold cranking amps
600 CCA
RP
Replacement battery
What to match when buying
Use a heavy-duty 12 V starting battery in BCI Group 31 with about 600 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.
LC
Battery location
Where the battery is mounted
The battery is normally in the rear engine/service compartment behind a service cover; verify the serial-specific access point before removal.
ID
Model details
Equipment identity
Brand
Komatsu
Model
CK35-1
Equipment class
Skid-Steer Loader
HOW
How to replace the battery
Basic replacement procedure
The Komatsu CK35-1 skid steer loader service repair manual outlines general safety precautions for servicing, including parking securely, lowering attachments, locking controls, and releasing system pressure before disconnecting components to avoid burns from hot fluids. SlideShare
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Bad battery symptoms
Signs the battery may be failing
The Komatsu CK35-1 skid steer loader's battery issues typically show as slow engine cranking, dim or flickering lights, and electronic system malfunctions, while replacement is recommended when cold-cranking amps drop or after persistent no-start conditions.
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What battery size fits the Komatsu CK35-1?
Quick answer
Group 31. Best available fitment is based on closest same-brand/model-family match (SK820-5E0); confirm tray dimensions, terminal layout, and serial number before ordering.
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How many CCA does the Komatsu CK35-1 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.
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What voltage battery does the Komatsu CK35-1 use?
Quick answer
12 volts. Skid-steer starting/charging systems for this model family use a 12 V battery system; confirm serial-specific configuration before replacement.
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Where is the battery on the Komatsu CK35-1?
Quick answer
The battery is normally in the rear engine/service compartment behind a service cover; verify the serial-specific access point before removal.
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What is the best replacement battery for the Komatsu CK35-1?
Quick answer
Use a heavy-duty 12 V starting battery in BCI Group 31 with about 600 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.
Disclaimer: Battery specifications are for general reference and may vary by year, serial number or configuration. Always verify fitment and electrical requirements before purchase or installation. See the Komatsu website for manufacturer information.
