623700
Description – Grasshopper Part 623700
Grasshopper Blade Spindle Assembly #623700
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Type / Function: This is a blade spindle assembly — it houses the spindle shaft that the mower blade mounts to, allowing the blade to spin.
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Dimensions: The height of the spindle assembly is 5 3/4 inches.
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Shaft Keyway: It uses a 1/4" keyway for the spindle shaft.
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Includes: The assembly typically comes with a spindle housing, shaft, plastic grass shield, and a felt washer (depending on the supplier).
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OEM / Genuine: It’s a genuine OEM part from Grasshopper.
Performance / Maintenance Notes
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Since it’s a spindle assembly, it’s critical for maintaining smooth, stable blade rotation. A worn or damaged spindle can lead to blade wobble, vibration, or even failure.
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It’s a common replacement part, especially on commercial decks / mowers that see a lot of use, because spindles are wear items.
11660
Deck Drive Belt replaces MTD 754-04060B, 954-04060B. Wrapped-Molded HA X 96.5" EL, General purpose, Aramid Cord Construction, Double-Cover, Clutching Cover. Fits 42 in. 2005 and newer LT-5 design frames.
345044
Part Description – 345044
Grasshopper CoolTemp Hydro‑Max™ Transmission Fluid (1 qt)
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Name / Type: CoolTemp Hydro-Max™ Extended-Life Hydrostatic Fluid
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Package Size: 1 quart (≈ 0.94 L)
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Purpose: This is the recommended hydrostatic transmission fluid for many Grasshopper mower drive systems.
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Performance / Benefits:
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Formulated with high VI (viscosity index) base stocks, shear-stable polymers, and anti-wear additives.
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Tested by Grasshopper to provide optimal protection for transmission components, under a wide temperature range (hot and cold).
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Helps reduce operating temperature of the hydrostatic system (claims of lowering by up to ~15°F), which can extend the life of the transmission.
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Recommended Use / Application:
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For use in Grasshopper hydrostatic drive transmissions (e.g., 300G4 / 300G5 Series)
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Change interval is specified in maintenance guides; for example, front-mount models specify changing fluid and filter every 1,000 hours (or as recommended in your owner’s manual) using part #345044.
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For changing fluid: drain old fluid, replace filter, then refill with the proper amount of this fluid.
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Compatibility / Notes:
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The fluid is Grasshopper OEM — designed for their hydrostatic systems.
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Not all transmissions use the same fluid: for instance, some Grasshopper models use a different fluid (e.g., 345280) depending on the series.
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Packaging / Alternative Sizes:
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Besides the 1-quart version, there's also a 2-gallon container version of the same fluid (part #345046) for larger jobs or fleet use.
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120048
Description — Grasshopper Part #120048
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Name / Function: This is a ball bearing designed for the “DP” (deck/pivot) wheels on Grasshopper mowers.
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Dimensions: Inner Diameter (ID) is 5/8"; Outer Diameter (OD) is 1-3/8"; total height is 1-1/2".
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Application: Specifically used in Grasshopper front or caster wheels — helps reduce rotational friction and supports radial and axial loads on the wheel.
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OEM / Genuine Quality: This is a genuine OEM part from Grasshopper, ensuring proper fit and durability.
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Typical Usage: Each DP wheel usually uses two of these bearings.
11841
Paper Air Filter replaces Kohler 25-083-01S & KAW 11013-7020 (See #9583) Used with Rotary 9728 Filter Safety Element. Fits Nelson & other Remote Air. Import version of Rotary 9583.
381914G
Grasshopper 381914G is a part number for a cogged PTO (Power Take-Off) belt used in various Grasshopper lawn mowers.
- Application: Engine to Deck belt.
- Type: Cogged V-belt.
- Material: Often made with Kevlar aramid cord for strength and longevity.
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Dimensions:
- Length: 36-3/8 inches (or 36.4 inches).
- Width: 1/2 inch.
320253
- Type: High-lift, notched blade.
- Material: GrassMax MARBAIN steel, known for durability and edge retention.
- Length: 25 inches.
- Width: 2 1/2 inches (2.5 inches).
- Thickness: 0.250 inches.
- Center Hole: 1/2 inch diameter.
- Compatibility: Designed for all 72-inch Grasshopper DuraMax decks.
- Usage Notes: Not recommended for mulching or vacuum applications and best used with mowers that have powerful engines due to the strong suction they create.
12956
Blade replaces MTD/Cub Cadet 942-04244 & 942-04290. Fits Cub Cadet Series 100 LTX lawn tractors with 46 in. decks, 2009 & after. Also Fits LTX1046.
11507
Blade replaces Cub Cadet 742-04053A/942-04053A. Fits RZT Series Tractors. Model #RZT50. 50" Cut. Heavy Duty version of Rotary 11480.
49065-0736
OIL FILTER UPDATE FROM 49065-0721
388740
- Part Type: Electric Power Take-Off (PTO) Clutch.
- Compatible Brands: Primarily Grasshopper, but also crosses to Warner Electric, Stens, Woods, and others.
- Compatible Mower Models: Fits various models including 218, 220, 223, 225, 227, 321D, 322D, 325, 325A, 325D, 327A, 327EFI, 329, 428D, and 430D.
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Key Specifications:
- Inner Diameter (ID): 1 1/8" (1.125").
- Pulley Diameter: Approximately 6 1/4" to 6 5/16".
- Rotation: Clockwise (CW).
- Belt Width: Designed for 1/2" or 5/8" belts.
We can confirm this fits your mower when you call with your MODEL NUMBER and SERIAL NUMBER.
NON RETURNABLE - SO PLEASE CALL BEFORE ORDERING! 765-529-6807 ASK FOR PARTS
11563
Tire Kenda Bar Tread 22X1100-X10 4 Ply Tubeless K472. Replaces Grasshopper #482483.
603973
Genuine OEM Grasshopper 603973 Semi-Pneumatic Deck Wheel Assembly
It includes the wheel, tire, and dust-proof bearings.- Type: Semi-pneumatic deck wheel assembly (also available in flat-free solid versions).
- Size: 9x3.50-4/2.25.
- Load Capacity: 260 lbs.
- Bore (Axle Hole) Diameter: 5/8".
- Material: Alloy Steel, Rubber.
- Note: The wheel must be greased before use and is not for highway service.