
The Thule Terrapin hitch cargo box safely and conveniently carries your gear on the back of your vehicle. This hitch box features a swing-away arm, giving you full access to your trunk or tailgate. The SecureLock™ system and One-Key™ lock ensure your gear is safe and secure, while an internal cargo management system keeps it easily organized and accessible. The Thule Terrapin has a weather resistant construction, with a metallic silver ABS lid and matte black base. Pre-wired tail lights (4-pin) and a license plate adapter are also included. This Thule cargo carrier requires a 2" receiver, class III or greater and includes a lifetime limited warranty.
Need a hitch for a cargo carrier? Check out the Hitch Selector to find a trailer hitch for your vehicle!
Click the pictures of the Thule 684 below to enlarge

- Swings away for full access to rear of vehicle
- Internal cargo management system keeps gear organized
- High quality metallic silver ABS plastic lid and matte black base
- SecureLock™ ensures gear is locked and box is properly closed
- Includes 1 One-Key™ lock to secure box contents
- Includes pre-wired tail lights (4-pin) and license plate adapter
- Requires 2" receiver, class III or greater
- Limited lifetime warranty
- Instructions
|
See what Thule products fit on your vehicle!
 |
Thule 684 Terrapin Hitch Box Specifications & Pricing
| Model # |
Description |
Overall Size |
Weight |
Capacity |
Hitch Size |
Price |
| 684 |
Thule Terrapin Hitch Box - Swings away for full access to rear of vehicle - Includes pre-wired tail lights (4-pin) and license plate adapter |
50.5" L x 24.3" W x 23.5" H |
75 lbs |
13 cubic feet / up to 150 lbs |
2" (class III or greater) How can I tell? |
+free s&h
|

Discount prices on cargo nets, coupler locks, and hitch pins to complete your travel needs
Hitch Mounted Cargo Carrier Accessories
| Item |
Description |
Price |
SHP-2050
 Click to enlarge |
Silent Hitch Pin: For Class I & II hitches - Keeps tow accessories secure and rattle free. Standard lock - Chrome coating - Rubber dust cap on lock |
+free shipping
|
SHP-2030
 Click to enlarge |
Silent Hitch Pin: For Class III & IV hitches - Keeps tow accessories secure and rattle free. Barrel lock - Chrome coating - Heavy duty spring nut with counter boring - Sleeve - Rubber dust cap on lock |
+free shipping
|
ANTI-TILT
 |
Anti-Tilt Locking Device - for class III or larger trailer hitches. Pinches main tube of tow accessory tight into trailer hitch to eliminate rocking Will not work on hitches with large chain loops! |
+free shipping
|
A20402
 Click to enlarge |
Standard Hitch Pin - for 2" class III and IV receivers - 5/8" x 4-3/4" |
+ free shipping
|
HP31
 Click to enlarge |
Locking Hitch Pin - for 2" class III and IV receivers - 5/8" x 2-3/4" |
+ free shipping
|
HP32
 Click to enlarge |
Locking Hitch Pin - for 1 1/4" class I and II receivers - 1/2" x 2-3/4" |
+ free shipping
|
DRH-1
 Click to enlarge |
Dual Hitch Extension - Dual Extension Tube for 2" Receivers This hitch extension converts the 2 " receiver tube (class III and IV) to a hitch with two 2" diameter holes (class III and IV) for towing with the bottom tube and to use a hitch accessory, such as a cargo carrier or bike rack, on the top tube. Constructed of durable steel with a black powder-coated finish and has a weight capacity of 4000 lbs. |
+ 15 s&h
|
D-185
 Click to enlarge |
Receiver Hitch Adapter/Extender - 6" SOLID Extension Tube for 1¼" Receivers Constructed of durable steel with a black powder-coated finish, this hitch extension converts the receiver tube sizes from 1¼" (class I and II) to a 2" diameter hole (class III and IV) and extends to 6" with a 350 lbs. *Not for Towing* |
free shipping
|
D-191
 Click to enlarge |
Receiver Hitch Adapter/Extender - 8" SOLID Extension Tube for 2" Receivers Constructed of durable steel with a black powder-coated finish, this hitch extension converts the receiver tube sizes from 2" (class III and IV) to a 2" diameter hole (class III and IV) and extends to 8" with a 3500 lb. Capacity |
free shipping
|
CN1515
 Click to enlarge |
Small Cargo Net - 15" x 15" Cord diameter: 4.55 mm Number of hooks: 6 |
+ 4.50 s&h
|
CN3045
 Click to enlarge |
Medium Cargo Net - 30" x 45"
Cord diameter: 6 mm Number of hooks: 14 |
+ 6.50 s&h
|
CN7296
 Click to enlarge |
Large Cargo Net - 72" x 96" Cord diameter: 4.5 mm Number of hooks: 32 |
+ 8 s&h
|
VH-Strap
 Click to enlarge |
1 inch wide cargo tie down strap kit (2 cam straps- 2 ratchet straps) |
+8 s&h
|
X12-STR-BAG
 Click to enlarge |
Multi-Purpose Cargo Storage Bag - 24" x 11" x 18" - Great for use at the beach, picnics, or other outings |
+ 8 s&h
|
 |
Find a trailer hitch for your vehicle with the Hitch Selector! |

|