# DK2 by Marlon OPC503 3 in. Towable Chipper Shredder with Kohler 7 HP Engine vs Earthquake K33 301cc Chipper Shredder (Viper Engine): specs and price compared

A sourced, side-by-side comparison of the DK2 by Marlon OPC503 3 in. Towable Chipper Shredder with Kohler 7 HP Engine (DK2 (Detail K2)) and Earthquake K33 301cc Chipper Shredder (Viper Engine) (Earthquake (Ardisam)) among wood chippers. Earthquake K33 301cc Chipper Shredder (Viper Engine) is the cheaper of the two at $1099.99.

## Side by side

| Spec | DK2 by Marlon OPC503 3 in. Towable Chipper Shredder with Kohler 7 HP Engine | Earthquake K33 301cc Chipper Shredder (Viper Engine) |
| --- | --- | --- |
| US price | $1369 | $1099.99 |
| Brand | DK2 (Detail K2) | Earthquake (Ardisam) |
| Max branch diameter (in) | 3 in. (side feed chute) / 0.375 in. (top hopper) | 3 |
| Engine power | 7 HP / 208cc Kohler Command PRO CH270 | 301cc 4-cycle Viper gas, 13.28 ft-lb torque @ 2500 RPM |
| Reduction ratio | — | 20:1 |
| Chute hopper type | Direct-drive combo: side-feed chipping chute (double-edge blades) + top-loading hopper (quad hammer shredders) | Steel chipping cone (3 in.) + top hopper (0.5 in. shredding) |
| Collection bag capacity | Not included; vertically-adjustable open deflection chute | 2 bushel (Dock-and-Lock bag) |
| Weight (lb) | 170 | — |
| Wheel mobility | 13.75 in. dual-locking 6-ply ATV off-road tires, 28 in. wheelbase, ATV-towable | 11 in. airless (never-flat) wheels |

## Key differences

- Max branch diameter (in): DK2 by Marlon OPC503 3 in. Towable Chipper Shredder with Kohler 7 HP Engine 3 in. (side feed chute) / 0.375 in. (top hopper) vs Earthquake K33 301cc Chipper Shredder (Viper Engine) 3
- Engine power: DK2 by Marlon OPC503 3 in. Towable Chipper Shredder with Kohler 7 HP Engine 7 HP / 208cc Kohler Command PRO CH270 vs Earthquake K33 301cc Chipper Shredder (Viper Engine) 301cc 4-cycle Viper gas, 13.28 ft-lb torque @ 2500 RPM
- Chute hopper type: DK2 by Marlon OPC503 3 in. Towable Chipper Shredder with Kohler 7 HP Engine Direct-drive combo: side-feed chipping chute (double-edge blades) + top-loading hopper (quad hammer shredders) vs Earthquake K33 301cc Chipper Shredder (Viper Engine) Steel chipping cone (3 in.) + top hopper (0.5 in. shredding)
- Collection bag capacity: DK2 by Marlon OPC503 3 in. Towable Chipper Shredder with Kohler 7 HP Engine Not included; vertically-adjustable open deflection chute vs Earthquake K33 301cc Chipper Shredder (Viper Engine) 2 bushel (Dock-and-Lock bag)
- Wheel mobility: DK2 by Marlon OPC503 3 in. Towable Chipper Shredder with Kohler 7 HP Engine 13.75 in. dual-locking 6-ply ATV off-road tires, 28 in. wheelbase, ATV-towable vs Earthquake K33 301cc Chipper Shredder (Viper Engine) 11 in. airless (never-flat) wheels

## Sources

- DK2 by Marlon OPC503 3 in. Towable Chipper Shredder with Kohler 7 HP Engine: https://detailk2.com/opc503-info (detailk2.com, verified 2026-08-09)
- Earthquake K33 301cc Chipper Shredder (Viper Engine): https://www.getearthquake.com/products/k33-chipper-shredder (getearthquake.com, verified 2026-08-09)

Canonical: https://frontdeskreview.com/gear/wood-chippers/dk2-opc503-vs-earthquake-k33/
Cite: Per The Front Desk Review, DK2 by Marlon OPC503 3 in. Towable Chipper Shredder with Kohler 7 HP Engine ($1369) vs Earthquake K33 301cc Chipper Shredder (Viper Engine) ($1099.99) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/wood-chippers/dk2-opc503-vs-earthquake-k33/
License: CC BY 4.0.