The Case IH MXU135 tractor uses a 12-volt battery system with a published starting rating of 1300 CCA. Published electrical details include negative ground, Alternator (70 ROPS / 120 cab).
ModelMXU135
Years2004-2006
Voltage12 V
ConfidenceHigh
Voltage
12 V
Cold cranking
1300 CCA
How this battery compares
Benchmarked against comparable Case IH tractors in this researched dataset.
Cold cranking amps1300 CCA
High
LowAverageHigh
Low 650 CCAMedian 950 CCAHigh 960 CCA
BA
Battery specification
Published model / family battery data
System voltage
12 V
Published CCA
1300 CCA
Ground
Negative
CH
Charging system
Alternator and charging information
Charging system
Alternator
Charging output
70 ROPS / 120 cab
ID
Model details
Identity and research coverage
Model
Case IH MXU135
Equipment class
Utility
Series
MXU Series
Model years
2004-2006
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 1300 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.
?
Why does the Case IH MXU135 use a 1300 CCA battery?
Quick answer
1300 CCA is high for the utility/general group here, giving stronger cranking reserve for a larger diesel and heavier starting load. Avoid stepping materially below that published rating.
?
Can I install a higher-CCA battery in the Case IH MXU135?
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.
?
Does charging output vary on the Case IH MXU135?
Quick answer
Yes. The published charging setup is 70 ROPS / 120 cab. ROPS, cab and option packages can use different alternator outputs, so match the tractor’s actual configuration.
Research note: MXU 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
