The Craftsman 917.28722 lawn tractor is rated at 21 hp (15.7 kW). That places its engine output around the 76th percentile among comparable lawn tractors, toward the higher-output end of its peer group. Its 540 cc (33 cu in) displacement works out to about 25.7 cc per horsepower.
TypeLawn tractor
Years2007
ManufacturerAYP
DistributorCraftsman
Engine power
21 hp (15.7 kW)
Transmission
belt-driven hydrostatic
Displacement
540 cc (33 cu in)
Fuel tank
2.5 gal (9.5 L)
How this model compares
Low average and high benchmarks for comparable lawn tractors in this dataset.
Horsepower21 hp
High
LowAverageHigh
Low 14 hpAvg 18.5 hpHigh 21 hp
Displacement540 cc
Average
LowAverageHigh
Low 465 ccAvg 530 ccHigh 693 cc
Fuel capacity2.5 gal
Average
LowAverageHigh
Low 1.25 galAvg 2.5 galHigh 3.5 gal
OV
Overview
Identity & ownership
Manufacturer
AYP
Distributor
Craftsman
Equipment type
Lawn tractor
Model years
2007
Fuel tank
2.5 gal (9.5 L)
Steering
manual
EN
Engine
Power & service data
Displacement
540 cc (33 cu in)
Bore / stroke
3.70 × 3.06 in (94 × 78 mm)
Engine power
21 hp (15.7 kW)
Air cleaner
paper
Oil capacity
2 qts 1.9 L
Spark plug
Champion QC12YC
Spark plug gap
0.030 inches 0.762 mm
TR
Transmission
Drive system
Transmission
Tuff Torq K46
Type
belt-driven hydrostatic
Gears
infinite forward and reverse
EL
Electrical & PTO
Battery, charging & PTO
Charging amps
5 (battery) · 3 (headlights)
Battery volts
12
Battery amp-hours
28
Battery CCA
230
Battery group
U1R
Specifications are provided as a reference from published TractorData information. Verify critical service values with the applicable operator or service manual. Craftsman website
