Toro Hypr-Oil 500: Sizes, Part Numbers & the Hydro Filters to Change With It

Hypr-Oil 500 is Toro's hydraulic fluid approved by Toro engineering for its commercial zero-turn mowers. Order 114-4713 $21.71 (quart), 114-4714 $86.92 (gallon) or 114-4715 $270.89 (5 gallon) — and change the hydro filter at the same time. The right filter depends on your mower; the table above covers the common Toro families.

Quick reference

Why the hydro service matters

On a zero-turn, the hydrostatic drive is the most expensive system to replace. Old, heat-broken fluid and a loaded filter are the slow killers: the mower gets sluggish when hot, one side gets weaker, then it stops climbing hills. Hypr-Oil 500 shows up repeatedly on Toro Z Master 4000 and Titan repair orders from our service department's repair records, usually alongside a filter kit.

How much Hypr-Oil 500 do I need?

Capacity and change interval vary by machine and drive system, so use your operator's manual for your model and serial number. As a rule of thumb from the shop: a full service on a two-pump/two-motor commercial system usually takes the gallon, and a quart is handy for topping off after a filter change.

Which hydro filter fits my Toro?

Our parts lists for Toro mowers show these hydro filters most often:

• Toro 117-0390 $53.80 — Z Master 3000, 5000 and 6000 Series (it appears on 25 of the Z Master models in our parts data). The Rotary 15907 $19.19 is the aftermarket replacement.
• Toro 109-3321 $39.90 — Hydro-Gear filter on many Titan, TimeCutter and Z Master 2000 models (listed on 24 Titan models alone).
• Toro 67-8110 $48.03 — Z Master 7000 diesel; Oregon 83-012 $27.30 replaces it.
• Rotary 16018 $13.38 — a Hydro-Gear transmission filter kit we install on Z Master 4000 machines (8 repair orders from our service department's repair records).

Not sure which applies? Look up your exact model and serial in Parts for My Machine — it lists the hydro filter for your serial range.

Hydro service steps (overview)

1. Park level, engage the parking brake, let the system cool.
2. Clean around the reservoir and filters before opening anything — dirt is the enemy.
3. Drain per your manual, replace the filter(s), refill with Hypr-Oil 500.
4. Purge air: with the drive release valves open and the rear wheels off the ground, run the levers slowly forward and reverse per the manual's purge procedure.
5. Recheck level after the purge and after the first mow.

Signs your hydro needs service

• The mower drives fine cold but slows or won't climb hills when hot.
• One side gets weaker as the day goes on.
• Whining from the pumps, or the fluid looks dark or milky in the reservoir.
• You don't know when it was last changed — on a used commercial mower, assume it's due.

Common mistakes

• Not purging the air. Air trapped in the system makes the mower creep, jerk or feel weak after a fluid change. Follow the purge procedure in your manual.
• Opening the system dirty. A pinch of grit in a hydro pump does more harm than old fluid. Clean first.
• Mixing fluids without checking. Use the fluid your manual specifies for your drive system.
• Changing fluid without the filter. The filter holds the contamination — always change both.

Fleet tip

If you run several Z Masters, a 5-gallon pail $270.89 plus a few spare 117-0390 $53.80 or 109-3321 $39.90 filters covers a season of hydro services for a small fleet.

Parts in this guide

Hypr-oil 500 (gallon) (7JC) 114-4714$86.92Hypr-oil 500 (quart) (7JC) 114-4713$21.71Hypr-oil 500-5 (5 Gallon) (7JC) 114-4715$270.89Filter-hydro 117-0390$53.8015907 - Hydro Filter Element For Toro$19.19Element-oil Filter, HYD 109-3321$39.90Cartridge-filter, Oil 67-8110$48.0316018 - Transmission Filter Kit$13.38

FAQ

What is Toro Hypr-Oil 500?

Toro's hydraulic fluid approved for its commercial zero-turn hydrostatic drives. Part numbers: 114-4713 (quart), 114-4714 (gallon), 114-4715 (5 gallon).

What hydro filter does a Toro Z Master use?

Many Z Master 3000/5000/6000 models use Toro 117-0390 (Rotary 15907 replaces it). Z Master 7000 diesel uses 67-8110. Check your model and serial.

How often should I change Hypr-Oil 500?

It depends on the machine and drive system; follow the interval in your operator's manual.

Related guides

• Zero Turn Won't Move or Go Forward: Belts, Idlers & Hydro Fixes
• Toro Z Master 4000 Parts: Blades, Deck Belts, Filters & Most-Replaced Parts
• Toro TimeCutter Parts by Deck Size: 42", 50" & 54" Blades, Belts and Filters
• Toro Titan & Titan MAX Parts: 54" and 60" Blades, Belts and Filters
• Toro Z Master 3000, 5000, 6000 & 7000 Parts: Blades, Deck Belts & Hydro Filters
• Toro Mower Blade Cross Reference Chart (OEM to Rotary & Oregon)

Repair statistics in this guide are aggregated from our service department's repair records. Part numbers come from manufacturer parts lists; always confirm fitment with your model and serial number.