The cost to rent a warehouse forklift depends on carrying capacity, tire type, and fuel type. Tires can be pneumatic (air-filled) or cushion, and some forklifts run on electricity, while others use propane. Here are a few examples of warehouse forklift rental costs. A 5,000 lbs cushion tire warehouse forklift costs $150 a day, $393 a week, and $1,007 a month to rent. A 5,000 lbs electric cushion tire warehouse forklift costs $182 a day, $468 a week, and $1,248 a month to rent. An 8,000 lbs pneumatic tire warehouse forklift costs $182 a day, $442 a week, and $1,248 a month to rent. An 8,000 lbs cushion tire warehouse forklift costs $269 a day, $624 a week, and $1,560 a month to rent.