Yanmar · Sub-Compact

Yanmar SA425

~$21,399

dealer list, not MSRP

Yanmar SA425
Sub-Compact
23.9 hp engine · 18.1 PTO−24% to the shaft

Nearly 24 hp carrying a 1,200 lb loader at the pivot pin, comfortably above what a BX2380 or 1025R manages, on a chassis Yanmar builds under its own badge rather than someone else's. The ten-year powertrain warranty is the closer.

Engine
23.9 hp
PTO
18.1 hp
Loader lift
1,200 lbs
3-pt lift
1,209 lbs

0.85 PTO hp per $1,000 of list price

As published by the maker

Specifications

Size class
Sub-Compact
Transmission
Hydrostatic
Engine
Yanmar
Engine hp
23.9 hp
PTO hp
18.1 hp
Drive
4WD
Loader lift
1,200 lbs
Three-point lift
1,209 lbs
Hydraulic flow
8.0 GPM
Fuel tank
6.1 gal
Weight
1,830 lbs
Warranty
10 yr / 3000 hr powertrain
4WD
Yes
Cab
Open station
Turbo
No
Cruise control
No

On the price: This maker publishes no price, so the figure comes from dealer listings. Regional dealers price the same machine differently.

Lift figures are the maker's and are quoted at whichever point the maker chose; the about page explains why two loaders with the same number do not lift the same pallet.

Comes with

4WDHydrostaticFront LoaderPower SteeringDiesel

From owner discussion and long-term write-ups

What owners say

What they like

  • The 3TNV80F engine is essentially the same Yanmar diesel that powers the John Deere 1025R - identical pedigree without the green premium
  • The YL210 loader's 1,200 lb pivot-pin lift embarrasses the ~700-900 lb loaders on the Deere 1025R and Kubota BX
  • The 10-year/3,000-hour powertrain warranty is the longest in the segment by four years
  • Larger tires and 9.9 inches of ground clearance make it far happier on rough, rutted, or sloped ground than a low-slung BX
  • The 1,209 lb 3-point lift at 24 inches is nearly double what the Deere 1-series and Kubota BX manage
  • Standard dual rear remotes and electro-hydraulic independent PTO are premium features at a value price
  • True Position Control on the 3-point gives repeatable implement height settings that BX owners can only envy

What they complain about

  • No drive-over mower deck - fitting the mid-mount M60 deck is a crawl-under affair versus Deere's AutoConnect
  • Resale value is a question mark since the US tractor brand is still building recognition
  • The 4.3 GPM implement pump makes loader cycles feel slower than the lift numbers suggest
  • Parts availability beyond engine components can involve waits that Kubota and Deere owners don't experience
  • The taller stance trades away some of the low-center-of-gravity mowing stability that makes the BX great on flat lawns
  • Dealer closures in some regions have left early adopters driving hours for warranty work

Gathered from owner reports

What owners report

The thing nobody tells SA425 buyers until after they have signed is that the loader does not take skid-steer attachments. Yanmar uses its own pin-on quick link on this model, so the grapple, the forks and anything else must come from Yanmar, and one shopper says that single fact took the SA325 and SA425 out of his running entirely. Plan the attachment budget accordingly — a dealer quoted one owner about $2,300 for a third-function kit with labour before any grapple was bought. The tractor itself gets consistently warm reviews from a group skewed toward older owners replacing much older Yanmars, who value how easy it is to get on and off: the open platform is described as something you walk into rather than climb over, and a hydraulic top link is a common first addition, as much for the arthritis as for adjusting a box blade on the move.

Capability reports run in both directions and the difference is ballast. One owner pulled roughly fifty stumps, including large birch and spruce, and rates the bucket bigger and stronger than the Kubota he compared it with. Another is sceptical that the published 1,200 lb figure means much on a tractor that weighs about 1,800 lb, and the most useful account is from an owner who normally keeps a disc on the three-point, took it off for a lighter implement, then used the grapple — and describes the loss of stability as stunning enough that he will never do loader work unballasted again. On reliability the notable event is a PTO shaft shearing clean off at 55 hours while a brush hog was spinning up, with collection, parts, labour and delivery all covered under warranty; the owner suspects a casting fault in a batch, says the warranty covered it twice, and notes the parts took far longer to arrive than he expected.

What comes up favourably

  • Warranty response has been genuinely good — a PTO shaft that sheared off at 55 hours was covered end to end, collection and redelivery included, and covered again when the failure repeated
  • It shares its major mechanical parts with Deere's 1-series, which buys the engine, axle and transmission from Yanmar, while offering about 400 lb more loader lift and a far longer powertrain warranty than the Deere
  • Owners get real clearing work out of it — one pulled around fifty stumps including large birch and spruce, and others run a bush hog, a 48-inch disc, a single-bottom plow and a sub-soiler behind theirs
  • It starts reliably in severe cold, with one owner reporting no trouble on glow plugs at minus thirty Celsius
  • The operator platform suits older and less mobile owners better than most — it is open enough to step into rather than climb onto, which is why several owners moved to it from older Yanmars they could no longer mount comfortably
  • Rear hydraulics are available, which makes a hydraulic top link an easy addition, and owners rate being able to change implement angle from the seat as more useful than they expected

What comes up as a complaint

  • The loader uses Yanmar's own pin-on attachment system rather than a skid-steer quick attach, so grapples and forks have to be Yanmar's — enough on its own to make one shopper cross the model off his list
  • Adding a third function is expensive: one dealer quoted about $2,300 for the kit and labour, before the cost of the grapple it is meant to run
  • Owners doubt the published 1,200 lb loader figure means much in practice on a machine that weighs roughly 1,800 lb, and treat it as an engineered maximum rather than a working capacity
  • It is unforgiving without rear ballast — one owner who removed his usual disc and then used the grapple describes the difference in stability as stunning, and now refuses to do loader work without something heavy on the back
  • Parts lead times have been long even on warranty work, with one owner waiting considerably longer than expected for replacements on a failure he believes was a batch casting defect

Questions worth asking

Will skid-steer attachments fit the loader?
No. The SA325 and SA425 use Yanmar's own pin-on quick link rather than the universal skid-steer plate, which means grapples, forks and buckets have to be Yanmar parts. Owners raise this as the model's most significant practical limitation, and at least one buyer ruled the tractor out over it. If you already own skid-steer attachments, or expect to buy used ones, price an adapter or choose a different machine before you commit.
How does it compare with a John Deere 1025R?
Mechanically they are closer relatives than the badges suggest — Deere buys the engine, axle and transmission for the 1-series from Yanmar. What the SA425 adds is roughly 400 lb more loader capacity and a ten-year powertrain warranty. What Deere adds is a much bigger dealer network, a standard skid-steer loader interface and stronger resale. Owners who chose the Yanmar did so on capability per dollar and on the warranty.
Do I need rear ballast?
Yes, and the most convincing account here comes from an owner who learned it by accident. He normally carries a disc on the three-point; with it removed for a lighter implement he went to pick something up with the grapple and found the loss of stability startling enough that he now attaches the disc before any loader work, and is building a ballast block out of a thirty-gallon container filled with concrete for the times he cannot. Owners also note the tractor only weighs around 1,800 lb, so anything substantial swung out front and up high matters more than the loader rating does.
How reliable has it been?
Generally well liked, with one significant failure in the evidence: a PTO shaft that sheared off entirely at 55 hours while a brush hog was coming up to speed. Yanmar covered collection, parts, labour and delivery, and covered it again when it recurred, with the owner putting it down to a casting defect in a batch. The honest summary is that the warranty worked exactly as it should and the parts took longer to arrive than anyone wanted.
Is it the right size for a few acres of wooded, sloping ground?
Owners with one to six acres are content with it and use it for garden work, bush hogging, clearing a wooded lot, food plots and firewood. Buyers weighing it against the larger YT235 tend to worry about safety on slopes and about a bigger machine simply not fitting among trees, and the SA425 is the one that does not intimidate them standing next to it. If your work is mostly woods, trails and loader chores rather than field work, that instinct matches what owners report.

Summarised from public owner discussion, not from testing. Nothing here was measured by this site, and a report that recurs is not the same as a defect rate.

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