The Case IH Maxxum 145 tractor uses a 12-volt battery system with a published 800 CCA starting rating and 176 Ah capacity. Published electrical details include Alternator (120 A).
ModelMaxxum 145
Years2015-2025
Voltage12 V
ConfidenceHigh
Voltage
12 V
Cold cranking
800 CCA
Capacity
176 Ah
How this battery compares
Benchmarked against comparable Case IH tractors in this researched dataset.
Cold cranking amps800 CCA
Average
LowAverageHigh
Low 650 CCAMedian 950 CCAHigh 960 CCA
Battery capacity176 Ah
High
LowAverageHigh
Low 100 AhMedian 100 AhHigh 100 Ah
BA
Battery specification
Published model / family battery data
System voltage
12 V
Published CCA
800 CCA
Optional / heavy-duty CCA
1300 CCA
Published capacity
176 Ah
CH
Charging system
Alternator and charging information
Charging system
Alternator
Charging output
120 A
Optional charging output
150 / 200
ID
Model details
Identity and research coverage
Model
Case IH Maxxum 145
Equipment class
Utility
Series
Maxxum
Model years
2015-2025
Research confidence
High
BUY
Choosing a replacement battery
Fit and electrical rating both matter
Match voltage, case dimensions, terminal layout and hold-down first. For starting performance, use a replacement that meets or exceeds the published 800 CCA standard.
1. Voltage
Use the verified system voltage shown above.
2. Physical fit
Match battery tray dimensions, height and hold-down style.
3. Terminals
Confirm positive/negative terminal positions before buying.
4. Starting power
Meet or exceed published CCA when a confirmed CCA is available.
5. Multiple batteries
When the tractor uses two batteries, replace weak/mismatched pairs thoughtfully and confirm the factory cable arrangement.
?
How much CCA should a Case IH Maxxum 145 battery have?
Quick answer
The published standard is 800 CCA, around the middle of comparable Case IH models in this researched set. A replacement meeting or modestly exceeding that figure is the sensible target. An optional/heavy-duty listing of 1300 CCA is also documented.
?
Can I install a higher-CCA battery in the Case IH Maxxum 145?
Quick answer
Yes. A higher-CCA 12V battery is normally fine when the case size, terminal layout and hold-down match. The starter draws what it needs; the higher rating simply gives more available cranking reserve.
?
Why does the Case IH Maxxum 145 use a 176 Ah battery?
Quick answer
The published capacity is 176 Ah, high for this equipment class. That provides substantial stored energy for starting and electrical loads, especially useful on cab-equipped or high-accessory tractors.
?
What does the Case IH Maxxum 145 120 A alternator mean?
Quick answer
The charging system is rated at 120 A. That figure tells you the system’s maximum charging/accessory output, not the current constantly forced into the battery.
Research note: Later Maxxum series literature. Specifications shown as confirmed are limited to values supported by the cited family/model source.
Disclaimer: Specifications are provided as a reference from published manufacturer, service-manual and reference information. Verify critical service values with Case IH or the correct service manual. Case IH website
