Part Description BACK Allison 3500RDSP (Stock # 151B TRANSMISSION) Transmission Assys $4,000.00 Quantity 1 Add to Cart Part Type Transmission Assys Serial# 6510672548 Transmission Make Allison Transmission Model 3500RDSP Condition Used Description USED ALLISON 3500RDSP TRANSMISSION WITH PTO. . CHECK COMPANY WEBSITE FOR WARRANTY DETAILS.