Are these numbers invented?

No. Engine HP, weight, and rear lift come from catalog Facts; PTO/hitch only from verified overlays. Missing Facts show as — — we never invent shaft ratings.

How do I check attachments?

Open the Fit checker with John Deere 1E-23 or Kioti CS2510, pick an attachment type and model, and read Pass/Fail/Partial on hitch, PTO, and lift.

John Deere 1E-23 vs Kioti CS2510

Both sit in the Sub-Compact class with similar engine horsepower (21.5 vs 24.5 HP). Below: catalog Facts for engine horsepower, weight, and rear lift; PTO and hitch only when verified. The decision points call out who leads on each Fact — engine HP is not a substitute for PTO HP.

Engine horsepower is not PTO horsepower. Missing Facts show as — — we never invent shaft ratings.

John Deere 1E-23 Profile →Kioti CS2510 Profile →Fit checker →

How to choose

Kioti CS2510 lists higher engine horsepower (24.5 vs 21.5 HP). That is not a PTO advantage — confirm shaft power separately before buying cutters or tillers.
The gap vs John Deere 1E-23 is small (~3.0 HP) — rear lift or hitch class often matter more day to day.
John Deere 1E-23 has more rear lift (758 vs 700 lb @ 24″) — more headroom for heavier three-point tools. Kioti CS2510 needs lighter implements or stricter ballast discipline.
Hitch differs: John Deere 1E-23 (Limited Category I) vs Kioti CS2510 (Category I). Implement sheets must name the matching class — adapters do not add lift.
Kioti CS2510 has the higher verified PTO rating (18.5 vs 16.2 PTO HP) — that is the Fact for cutters, tillers, and snow blowers, not engine HP.
Next step: open the Fit checker with the tractor that wins on your heaviest implement, and screen hitch, PTO, and lift against that attachment.

When to pick each

Choose John Deere 1E-23 when you need more rear lift (758 vs 700 lb @ 24″) for heavier three-point tools, or implement sheets that explicitly list Limited Category I.

Choose Kioti CS2510 when you need higher verified PTO (18.5 vs 16.2 PTO HP) for cutters, tillers, or snow blowers, or implement sheets that explicitly list Category I.

Spec comparison

Spec	John Deere 1E-23	Kioti CS2510
Size class	Sub-Compact	Sub-Compact
Engine horsepower	21.5 HP	24.5 HP
Operating weight	1,475 lbs	1,485 lbs
Rear hitch lift @ 24″	758 lbs @ 24″	700 lbs @ 24″
Hitch category	Limited Category I	Category I
PTO horsepower	16.2 PTO HP	18.5 PTO HP
PTO RPM	540 RPM	540 RPM

Sources

FAQ

Which is better — John Deere 1E-23 or Kioti CS2510?: Kioti CS2510 lists higher engine horsepower (24.5 vs 21.5 HP). That is not a PTO advantage — confirm shaft power separately before buying cutters or tillers. The gap vs John Deere 1E-23 is small (~3.0 HP) — rear lift or hitch class often matter more day to day. Choose John Deere 1E-23 when you need more rear lift (758 vs 700 lb @ 24″) for heavier three-point tools, or implement sheets that explicitly list Limited Category I. Choose Kioti CS2510 when you need higher verified PTO (18.5 vs 16.2 PTO HP) for cutters, tillers, or snow blowers, or implement sheets that explicitly list Category I. Use the Fit checker for your heaviest attachment instead of comparing engine HP alone.
Are these numbers invented?: No. Engine HP, weight, and rear lift come from catalog Facts; PTO/hitch only from verified overlays. Missing Facts show as — — we never invent shaft ratings.
How do I check attachments?: Open the Fit checker with John Deere 1E-23 or Kioti CS2510, pick an attachment type and model, and read Pass/Fail/Partial on hitch, PTO, and lift.