Production run

Toro 20334 partsSerial 314200001–314999999

The last short 20334 listing. Five parts we hold appear at once in the run above — belt, gear, rear wheel, cover and fuel treatment. All fourteen are open.

At your boundary

What changes at the edges of this run

Drive belts

—→38991at 315000001

No drive belt is named among this range’s accessories. The listing directly above, consecutive with this one, names 22 inch Drive Belt for RWD Toro WPM 38991.

The accessory lists below this serial carry no belt. That is what those pages show; it is not proof that no belt can be ordered for those machines, and this site will not invent a number either way.

Wheels and drive gears

—→59502at 315000001

The front wheel drive internal gear 59502 is absent here and present in the run directly above.

It arrives on the same serial as the belt, the rear wheel, the cover and the fuel treatment. Five unrelated parts on one serial reads to us as a listing being extended rather than a machine being changed, though Toro states no cause and that reading is ours.

Wheels and drive gears

—→59503at 315000001

Rear wheel 59503 is not named here and is named in the listing directly above.

Same edge again. A reader with a machine below this serial has no rear wheel number from Toro for it.

In detail

This production run

Of the fourteen listings Toro publishes for the 20334, the first seven are short. This is the last of them.

Within the parts this site holds, Toro sells three things here: engine maintenance kit 20234, the traction assist kit 108-8120, and blade 59534P. Kit 20234 is one of those three, and its card itemises what is in the box — "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)" — so air filter 120-3303 and spark plug 120-3305 are named on this page too, inside the kit rather than as lines you can order. In the run directly above, 315000001–315999999, it names those three and five more — drive belt 38991, front wheel drive internal gear 59502, rear wheel 59503, the 20 to 22 inch cover 490-7462, and Premium Fuel Treatment 130-2393.

The two listings are consecutive in Toro's own selector, so 315000001 is where that happens and not merely where we can first see it.

Five parts arriving on one serial is worth reading carefully. Our own reading is that the catalogue was extended rather than the mower redesigned — a belt, a gear, a wheel, a cover and a bottle of fuel treatment have no common cause we can think of. Toro states no reason on any of these pages, so treat that as our inference and not as something the listings say.

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.

Engine maintenance kits
Engine Maintenance Kit for Briggs & Stratton Engine 20234
Listed by Toro as Engine Maintenance Kit for Briggs & Stratton Engine on its official parts page for model 20334, serial range 314200001–314999999.
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 314200001–314999999.
Mower blades
22 Inch Recycler Blade 59534P
Listed by Toro as 22 Inch Recycler Blade on its official parts page for model 20334, serial range 314200001–314999999.
Grass bags
Replacement Bag 59310
Listed by Toro as Replacement Bag among the accessories on its parts page for model 20334, serial range 314200001–314999999.
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 314200001–314999999.

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.

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 314200001–314999999.
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 314200001–314999999.
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 314200001–314999999.
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 314200001–314999999.
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 314200001–314999999.
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 314200001–314999999.
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 314200001–314999999.
59534 Not verified
Toro does not name 22 Inch Atomic Blade (59534) among the accessories on its parts page for model 20334, serial range 314200001–314999999.
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 314200001–314999999.
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 314200001–314999999.
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 314200001–314999999.
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 314200001–314999999.
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 314200001–314999999.
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 314200001–314999999.

If you are close to the edge

Serial numbers near a boundary

The upper edge is sharp and the listing above it is consecutive. A serial in the last few thousand of this range sits in a run for which Toro names no belt, no gear, no rear wheel and no cover.

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, a count taken from the serial-range selector the pages 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: Treating a short parts listing as evidence that the early machine had fewer serviceable parts. It is evidence about the listing. What a catalogue omits is not a specification.

Provenance

Sources

Last verified against these sources on August 28, 2026.

1
Parts — 22in Recycler Lawn Mower, model 20334, serial range 314200001–314999999
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.
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 — 22" Personal Pace Electric Start Mower, model 20334, serial range 315000001–315999999
The Toro Company · Primary source · Accessed August 17, 2026
Toro’s official parts listing for the earliest of the three ranges we verified. Lists 20234 (Engine Maintenance Kit for Briggs & Stratton Engine) and 108-8120 (TRACTION ASSIST KIT [PPG2]). Also lists 38991, 59534P, 59502, 59503 and 490-7462. The range selector on this page names thirteen further serial ranges for the same model number.
4
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.