Diesel Power Requires a Strong Group 31 Battery
Size 31 Diesel Batteries are Always In Stock and with Free Local Delivery for orders of Two or More.
Discount Pricing is Available for Diesel Truck Fleets.
At Deep Cycle Battery San Diego, we offer two brands of diesel batteries.
The first group 31 diesel battery is manufactured in USA by Crown Battery.
The second is manufactured by Hyundai.
Both battery companies us a high tech robotic manufacturing to create their group 31 diesel batteries.
How to Rate a Diesel Truck Battery
High cranking diesel truck batteries are measured in both Cranking Amps (CA) which is measured at 32 degrees F and CCA, Cold Cranking Amps, at zero degrees F. RC is Reserve Capacity. Reserve Capacity is a very important rating. This is the number of minutes a fully charged battery at 80 ° F will discharge 25 amps until the battery drops below 10.5 volts.
Free Local Battery Delivery for Two or More Ordered
Group 31 Battery by Hyundai Motor Company
12V Diesel Battery for Truck, Equipment and Diesel Pusher RV
Group 31 Battery – 2 year warranty
Retail Price for 12V Group 31 Battery $139 ea *
12 volt Diesel Battery Liquid 31SW-950
1050 CA
950 CCA
190 RC
Group 31 Diesel Battery Price: $139 ea *with exchange
($15 core charge applies without exchange)
Call Us Today – (619) 448-5323
Crown Diesel Battery Size 31 – Heavy Equipment Battery Available in Threaded Stud Terminal and Auto-Post Style Terminal
Retail Price for 12V Group 31 Battery $140 ea *
12 volt Diesel Battery Liquid 31SW-950
1175 CA
940 CCA
175 RC
Group 31 Diesel Battery Price: $140 ea *with exchange
($15 core charge applies without exchange)
Call Us Today – (619) 448-5323
Heavy Hotel Power! High Cycling Size 31 AGM Diesel Battery
MFG in USA
Sealed AGM Starting and Cycling Battery
Retail Price for Trojan OverDrive AGM 31 Group 31 Battery $ ea *
Hotel Diesel Battery
875 CA
730 CCA
180 RC
102 Ah
Group 31 with Stud Terminal
Diesel Battery Price: $ ea *with exchange
($15 core charge applies without exchange)
Diesel trucks and Diesel pusher RV’s will run two or three group 31 batteries in parallel to double cold cranking amps. Heavy Duty Group 31 Batteries are available with two types of terminals: older auto-post style terminals and threaded stud type terminals for newer diesel batteries.
Wiring 12 V Diesel Batteries in Parallel for Starting Diesel Pusher RV
To join batteries in parallel, use a set of cables to connect both the positive terminals and another set of cables to connect both the negative terminals of both batteries to each You then connect your load to ONE of the batteries, but both drain equally.