Ariens 52004400 – GEAR CASE- 24 IRON SM TOP-LD Genuine Ariens Part # 52004400. Ariens 52004400 Gear Case 24 Iron Sm Top Ld Track RapidTrak Plus Compact 20. Ariens Part Number: 52004400 Quantity: 1 Compatible with the following Models: Ariens Compact 24 Track Ariens Compact 24 RapidTrak Ariens Compact 24 Auto-Turn Ariens Compact 24 Ariens Compact 22 Ariens Compact 20 Ariens Classic 24 Plus Ariens AMP ST24 48V. We are proud to be a factory authorized retailer. We use several different carriers and choose the most economical for the item and destination based on the estimated transit time displayed. FixMyToys – A Division of Ball Equipment.