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Simpson MS60921-S vs MSH3125-S - The Differences

Further down the page, you'll find some explanations regarding the key similarities and differences between the Simpson MSH3125-S and the Simpson MS60921-S.

But before checking out explanations regarding their power, design, and features here's a table that summarizes the main pros of each of these 2 pressure washers:

Simpson MSH3125-SSimpson MS60921-S
Simpson MSH3125-SSimpson MS60921-S
  • Higher GPM
  • Lighter
  • Far less expensive

Spec-wise, this product does not have any notable advantage over the Simpson MSH3125-S

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Both the MSH3125-S and MS60921-S hail from the lineup of Simpson pressure washers, and should uphold consistent quality and attention to detail.

Power Comparison

  • Fuel: Both units feature gas-powered engines, allowing for continuous operation to handle tough cleaning tasks effectively.
  • Engine & Pump: Utilizing axial-type pumps, both the Simpson MSH3125-S and the Simpson MS60921-S are recognized for their lightweight construction and straightforward operation. In either case, the pump is powered by a 187cc engine. It is worth noting that both pressure washers feature engines manufactured by Honda, a renowned name in the industry for producing high-quality engines. Both devices use a conventional pull-start mechanism to operate.

The following charts are provided to show you at a glance how the main specs of the Simpson MSH3125-S compare to the Simpson MS60921-S.

  • Pressure: Both devices offer very similar maximum reachable pressures (3200 PSI for the Simpson MSH3125-S and 3300 PSI for the Simpson MS60921-S), meaning they should be equally capable of lifting and blasting away dirt effectively.
  • Water Flow: When operating at low pressure, the MSH3125-S delivers a slightly higher water volume than the MS60921-S. Offering up to 2.5 GPM (gallons per minute) compared to the MS60921-S's maximum flow of 2.4 GPM, it should ensure you to remove dirt and debris with somewhat greater effectiveness.
  • Cleaning Power: The marginal disparity in Cleaning Units between the Simpson MSH3125-S and the MS60921-S (8000 and 7920 CU, respectively) suggests that both devices provide virtually indistinguishable overall cleaning performance.

Design Comparison

  • Design: With a hand truck setup, both units may exhibit variations in mobility due to factors such as their wheels and overall weight, as explained further in the following discussion.
  • Design: With a hand truck setup, both units may exhibit variations in mobility due to factors such as their wheels and overall weight, as explained further in the following discussion.
  • Weight: At 55 lbs, the MSH3125-S presents a significant weight advantage over the 71 lbs of the MS60921-S, providing users with improved portability and smoother handling.
  • Maneuverability: With the addition of wheels, both products enjoy improved maneuverability. Equipped with a handle, both products are designed to optimize your grip, ensuring superior comfort and control during both maneuvering and transportation tasks.

Feature Comparison

  • Soap Addition: Both washers enable users to mix chemical detergent solutions with the water, enhancing their cleaning performance. In both instances, this is carried out using a siphon hose.
  • Trigger Gun & Wand: Both units are equipped with a fairly standard ergonomic trigger gun and a classic wand.
  • Nozzles: Included with the units, both the MS60921-S and the MSH3125-S offer a package containing 5 nozzles. The set of included nozzles is the same in either case: 0°, 15°, 25°, 40°, and a soap nozzle.
  • Reach: With identical 25 ft high-pressure hoses included, neither the Simpson MSH3125-S nor the Simpson MS60921-S offers an increased range of motion from the unit.
  • Storage: The MSH3125-S and MS60921-S both offer onboard storage that allows you to neatly keep the nozzles and accessories you need at hand. Each washer features a set of hooks for hose storage, ensuring that their high-pressure hoses can be neatly stored away when not needed.

TL;DR

Simpson MSH3125-SSimpson MS60921-S
Simpson MSH3125-SSimpson MS60921-S
  • Higher GPM
  • Lighter
  • Far less expensive

Spec-wise, this product does not have any notable advantage over the Simpson MSH3125-S

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