Production run

Toro 20334 partsSerial 312000001–312999999

The last 20334 run naming blade 59534, which Toro has since replaced with 59534P. All fourteen listings are open; the kit and the newer blade both start above.

At your boundary

What changes at the edges of this run

Mower blades

59534→59534Pat 313000001

This range names the 22 Inch Atomic Blade 59534. The listing directly above it, consecutive with this one, names the 22 Inch Recycler Blade 59534P and not 59534.

Toro states the relationship between these two numbers directly: requesting its product page for 59534 serves the 59534P page under the line “Replaces Product 59534”. That is a supersession from the manufacturer rather than an inference from catalogue order.

Engine maintenance kits

—→20234at 313000001

No engine maintenance kit is named among this range’s accessories. The listing directly above it, consecutive with this one, names 20234.

Below this serial the range’s accessory list carries no kit. That is a fact about this page and not about what is orderable: Toro does point old numbers at replacements elsewhere on its site — 59534 and 130-8146 both do — and we have not looked for a kit that way.

In detail

This production run

A 20334 in this range has a short parts listing. Of the items this site holds a record for, Toro names four: the traction assist kit 108-8120, the 22 Inch Atomic Blade 59534, and two bag numbers — Replacement Bag 59310 and bag kit 59312.

There is no engine maintenance kit on it. There is none on the three runs below it either. Kit 20234 first appears in the listing directly above, 313000001–313999999, and those two runs are consecutive in Toro's own selector, so 313000001 is where the kit starts being offered rather than where we first notice it.

The blade changes at that same serial, and it changes number. This run and the three below it name the 22 Inch Atomic Blade, 59534. From 313000001 the listings name the 22 Inch Recycler Blade, 59534P, and go on naming it for every run above.

Those are two parts, and Toro says so itself: asking for the 59534 product page serves the 59534P page under the line "Replaces Product 59534". So if you have a 20334 below this serial, the blade Toro listed for it is one it has since replaced, and 59534P is the number it points you to.

Confirmed

What we have recorded for this serial range

We record the part categories this site covers. Toro’s own listing for this range carries other accessories besides.

Handles and controls
TRACTION ASSIST KIT [PPG2] 108-8120
Listed by Toro as TRACTION ASSIST KIT [PPG2] on its official parts page for model 20334, serial range 312000001–312999999.
Mower blades
22 Inch Atomic Blade 59534
Listed by Toro as 22 Inch Atomic Blade on its official parts page for model 20334, serial range 312000001–312999999.
Grass bags
Replacement Bag 59310
Listed by Toro as Replacement Bag among the accessories on its parts page for model 20334, serial range 312000001–312999999.
Grass bags
BAG - REPL KIT 2009 RWD RC 59312
Listed by Toro as BAG - REPL KIT 2009 RWD RC among the accessories on its parts page for model 20334, serial range 312000001–312999999.

Not listed here

Listed for a neighbouring run, but not this one

Absence from a parts listing is not a statement that a part does not fit. It is the manufacturer not saying.

20234 Not verified
Toro does not name Engine Maintenance Kit for Briggs & Stratton Engine (20234) among the accessories on its parts page for model 20334, serial range 312000001–312999999.
38991 Not verified
Toro does not name 22 inch Drive Belt for RWD Toro WPM (38991) among the accessories on its parts page for model 20334, serial range 312000001–312999999.
59502 Not verified
Toro does not name Replacement Front Wheel Drive Internal Gear (59502) among the accessories on its parts page for model 20334, serial range 312000001–312999999.
59503 Not verified
Toro does not name 8 inch Replacement Rear-Wheel-Drive Wheel for Lawn Mowers (59503) among the accessories on its parts page for model 20334, serial range 312000001–312999999.
130-8148 Not verified
Toro does not name Briggs & Stratton EXi Engine Maintenance Kit Replacement (130-8148) among the accessories on its parts page for model 20334, serial range 312000001–312999999.
131-4590 Not verified
Toro does not name Traction Assist Handle (131-4590) among the accessories on its parts page for model 20334, serial range 312000001–312999999.
490-7462 Not verified
Toro does not name Cover for 20 to 22 Inch Walk-Behind Mowers (490-7462) among the accessories on its parts page for model 20334, serial range 312000001–312999999.
130-2393 Not verified
Toro does not name Premium Fuel Treatment (0.5 oz.) (130-2393) among the accessories on its parts page for model 20334, serial range 312000001–312999999.
137-4833P Not verified
Toro does not name 8 Inch Front Wheel (137-4833P) among the accessories on its parts page for model 20334, serial range 312000001–312999999.
59534P Not verified
Toro does not name 22 Inch Recycler Blade (59534P) among the accessories on its parts page for model 20334, serial range 312000001–312999999.
120-3303 Not verified
Toro does not list engine maintenance kit 20234 among the accessories on its parts page for model 20334, serial range 312000001–312999999. This site reaches this component only as a content of that kit, so with the kit absent there is no route from Toro’s pages to this part for this range — a fact about the route, not about the machine.
120-3305 Not verified
Toro does not list engine maintenance kit 20234 among the accessories on its parts page for model 20334, serial range 312000001–312999999. This site reaches this component only as a content of that kit, so with the kit absent there is no route from Toro’s pages to this part for this range — a fact about the route, not about the machine.
131-6572 Not verified
Toro does not name Premium Fuel Treatment (12 oz.) (131-6572) among the accessories on its parts page for model 20334, serial range 312000001–312999999.
38903 Not verified
Toro does not name SAE 30 4-Cycle Lawn Mower Engine Oil 32 oz (38903) among the accessories on its parts page for model 20334, serial range 312000001–312999999.
38916 Not verified
Toro does not name SAE 30 4-Cycle Summer Engine Oil 18 oz. (38916) among the accessories on its parts page for model 20334, serial range 312000001–312999999.
138-6053 Not verified
Toro does not name Toro Full Synthetic 10W-30 Engine Oil (32 oz.) (138-6053) among the accessories on its parts page for model 20334, serial range 312000001–312999999.
117-0066 Not verified
Toro does not name *OBS* Toro full synthetic 10W-30 engine oil (117-0066) among the accessories on its parts page for model 20334, serial range 312000001–312999999.
20601 Not verified
Toro does not name Striping Kit for Walk-Behind Mowers (20601) among the accessories on its parts page for model 20334, serial range 312000001–312999999.

If you are close to the edge

Serial numbers near a boundary

The top of this range is a sharp edge with a consecutive listing above it. One digit decides whether Toro lists an engine maintenance kit for your machine at all.

Where Toro puts the serial plate

Other runs

Other production runs of the 20334

Toro publishes 14 parts listings for this model number. We have opened 14.

Method

How we established this

We opened all fourteen listings Toro publishes for model 20334 — the count comes from the serial-range selector the listings carry — and compared the accessories they name against the parts this site holds. The pages also carry accessories this site holds no record for, so this is a comparison within the categories it records rather than an exhaustive diff of what they list.

The common mistake: Reading the absence of a maintenance kit as a statement about the engine. It is a statement about what Toro lists for these serials, and this site records it as unknown for that reason.

Provenance

Sources

Last verified against these sources on August 21, 2026.

1
Parts — 22in Recycler Lawn Mower, model 20334, serial range 312000001–312999999
The Toro Company · Primary source · Accessed August 21, 2026
Toro’s official parts listing for this model and serial range, reached from the serial-range selector its own page carries. Of the parts this site holds, its accessory list names 108-8120, and does not name 20234, 38991, 59502, 59503, 130-8148, 131-4590, 490-7462, 130-2393, 137-4833P. The page carries further items this site holds no record for, among them engine oils, bags and a striping kit.
2
Engine Maintenance Kit for Briggs & Stratton Engine (Part # 20234)
The Toro Company · Primary source · Accessed August 31, 2026
Toro’s product page for the kit, and one of the few in this family that is a page for the number requested rather than for a part replacing it. It itemizes the kit: 20 oz. SAE 30 engine oil (120-3306), a spark plug (120-3305), an air filter (120-3303) and a 0.5 oz. packet of fuel treatment (130-2393). It carries no line saying this kit replaces another number or has been replaced by one. **Re-read 31 August 2026 and unchanged in every particular, including the 0.5 oz.** — which matters, because the page Toro serves for 130-8148 gives the same packet as .05 oz. Two further details this record had not held: the internal designation TORO WPM MAINT KIT - BRIGGS, and a Specifications row reading Service Pack Yes.
3
Parts — 22in Recycler Lawn Mower, model 20334, serial range 313000001–313999999
The Toro Company · Primary source · Accessed August 21, 2026
Toro’s official parts listing for this model and serial range, reached from the serial-range selector its own page carries. Of the parts this site holds, its accessory list names 20234, 108-8120, and does not name 38991, 59502, 59503, 130-8148, 131-4590, 490-7462, 130-2393, 137-4833P. The page carries further items this site holds no record for, among them engine oils, bags and a striping kit.
4
Parts — 22in Recycler Lawn Mower, model 20334, serial range 290000001–290999999
The Toro Company · Primary source · Accessed August 21, 2026
Toro’s official parts listing for this model and serial range, reached from the serial-range selector its own page carries. Of the parts this site holds, its accessory list names 108-8120, and does not name 20234, 38991, 59502, 59503, 130-8148, 131-4590, 490-7462, 130-2393, 137-4833P. The page carries further items this site holds no record for, among them engine oils, bags and a striping kit.
5
22 Inch Recycler Blade (Part # 59534P) — reached from /product/59534
The Toro Company · Primary source · Accessed August 21, 2026
Requesting the 59534 product URL serves the 59534P product page, and that page carries the line “Replaces Product 59534”. This is Toro stating a supersession between the two numbers directly, rather than us inferring one from a parts catalogue naming a different number for earlier serials.