Search
Wheel Horse 520-H vs Wheel Horse 620-Z
Verdict: Wheel Horse 520-H vs Wheel Horse 620-Z
The Wheel Horse 520-H and the Wheel Horse 620-Z are both lawn tractors — here is how they stack up on the figures that matter. Both are rated at the same 20 hp. Wheel Horse 520-H is the lighter machine (293 kg vs 326 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Wheel Horse 620-Z is the newer design (1991 vs 1988). Use the full side-by-side spec tables below to weigh the details against your own operation, and confirm with a dealer demo.
Tune the fit score
Tell us about your operation
Fit & specs
Wheel Horse
62
Fit score
Best match
Clear
Wheel Horse
62
Fit score
Best match
Clear
Rated power
20 hp
20 hp
Confidence
40%
40%
Guide price
—
—
Overview
Manufacturer
Wheel Horse (a part of Toro)Reference
Wheel Horse (a part of Toro)Reference
air-cooledReference
air-cooled vertical-shaftReference
Variants
520-H
standardReference
—
520-HC
commercial-dutyReference
—
Engine
Fuel tank
11.4 LReference
11.4 LReference
Displacement
47.7 ciReference
48 ciReference
Bore/Stroke
83 x 73 mmReference
83 x 73 mmReference
Power
14.9 kWReference
14.9 kWReference
Compression
7.0:1Reference
—
Rated RPM
3600Reference
—
Idle RPM
1400-3600Reference
—
Starter volts
12Reference
12Reference
Oil capacity
4.7 LReference
—
Sparkplug
Champion RS14YCReference
—
Sparkplug gap
0.635 mmReference
—
Starter
—
electricReference
Transmission
1
BrakeReference
—
2
ThrottleReference
—
3
Forward/reverseReference
—
4
Parking brakeReference
—
Transmission
Eaton 1100-032Reference
Eaton 781Reference
Type
belt-driven hydrostaticReference
hydrostaticReference
Gears
infinite forward and reverseReference
infinite forward and reverseReference
Oil type
SAE 10W-30Reference
—
PTO & Hydraulics
Mid PTO
independentReference
independentReference
Clutch
mechanicalReference
electricReference
Dimensions
Weight
293 kgReference
326 kgReference
Front tire
16x6.50-8Reference
11x4.00-5Reference
Rear tire
23x9.50-12Reference
18x9.50-8Reference
Lawn/turf front
16x6.50-8Reference
11x4.00-5Reference
Lawn/turf rear
23x9.50-12Reference
18x9.50-8Reference
Length
165 cmReference
182 cmReference
Width
96 cmReference
101 cmReference
Height
115 cmReference
—
Wheelbase
—
106 cmReference
520-H Serial Numbers
1988
520-HC (C1-20OE01)Reference
—
1989
520-HC (C1-20OE02)Reference
—
1990
-unknown-Reference
—
1991
-unknown-Reference
—
1992
-unknown-Reference
—
1993
39000001 (73501)Reference
—
1994
49000001 (73501)Reference
—
1995
59000001 (73501)Reference
—
1996
69000001 (73502)Reference
—
1997
7900001 (73502)Reference
—
Location:
Serial number plate on the rear fender, below the seat. Model codes in parentheses.Reference
Serial number plate on the left side of the machine, behind the left drive wheel.Reference
Electrical
Ground
negativeReference
negativeReference
Charging system
alternatorReference
—
Charging amps
20Reference
—
Battery CCA
260Reference
280Reference
Battery volts
12Reference
12Reference
Attachment overview
620-Z Serial Numbers
Fit score weighs budget, operation size, crop match and data confidence against the details above. It’s guidance, not advice — always confirm with a dealer demo.