Intek™ (Single Cylinder)

Discover a new standard in reliability. The powerful Intek™ Series riding mower engines deliver superior performance and durability.

10.5 - 19

Gross Horsepower

344 - 540

Displacement (cc)

1.4

Oil Capacity (L)

2 Year

Warranty

Features

Anti-Vibration System - AVS®

Provides a smoother ride and more comfort.

Intek Series™ Riding Mower Engine

More durable. More efficient. More powerful. Mows the lawn and lasts long.

ReadyStart® Engine Starting System

No prime, no choke, no worries. Just pull for power.

Advanced Debris Management System

Keeps the engine clean by deflecting and ejecting grass and debris for a longer engine life.

Specifications

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Model Number
21R7
Gross Power HP* (kW) @3'600 rpm
10.5
Cylinder
Cast Iron Sleeve
Stroke (mm)
57.5
Oil Capacity (L)
1.4
Length (mm)
452
Height (mm)
327
Commercial Limited Warranty†
90 Days
Engine Type
Single cylinder, 4-stroke, air cooled, OHV (Overhead Valve)
Engine Displacement (cc)
344
Bore (mm)
87.3
Fuel Tank Capacity (L)
2.6 (optional)
Weight (kg)
26.8
Width (mm)
393
Consumer Limited Warranty†
2 Year
Model Number
31R5
Gross Power HP* (kW) @3'600 rpm
13.5
Cylinder
Cast Iron Sleeve
Stroke (mm)
77.8
Weight (kg)
29.5
Width (mm)
393
Consumer Limited Warranty†
2 Year
Engine Series
Intek™ (Single Cylinder)
Engine Type
Single cylinder, 4-stroke, air cooled, OHV (Overhead Valve)
Engine Displacement (cc)
500
Bore (mm)
90.5
Oil Capacity (L)
1.4
Length (mm)
479
Height (mm)
327
Commercial Limited Warranty†
1 Year
Model Number
31R6
Gross Power HP* (kW) @3'600 rpm
14.5
Cylinder
Cast Iron Sleeve
Stroke (mm)
77.8
Weight (kg)
29.5
Width (mm)
393
Consumer Limited Warranty†
2 Year
Engine Series
Intek™ (Single Cylinder)
Engine Type
Single cylinder, 4-stroke, air cooled, OHV (Overhead Valve)
Engine Displacement (cc)
500
Bore (mm)
90.5
Oil Capacity (L)
1.4
Length (mm)
479
Height (mm)
327
Commercial Limited Warranty†
1 Year
Model Number
31R7
Gross Power HP* (kW) @3'600 rpm
15.5
Cylinder
Cast Iron Sleeve
Stroke (mm)
77.8
Weight (kg)
29.5
Width (mm)
393
Consumer Limited Warranty†
2 Year
Engine Series
Intek™ (Single Cylinder)
Engine Type
Single cylinder, 4-stroke, air cooled, OHV (Overhead Valve)
Engine Displacement (cc)
500
Bore (mm)
90.5
Oil Capacity (L)
1.4
Length (mm)
479
Height (mm)
327
Commercial Limited Warranty†
1 Year
Model Number
31R8
Gross Power HP* (kW) @3'600 rpm
16.5
Cylinder
Cast Iron Sleeve
Stroke (mm)
77.8
Weight (kg)
29.5
Width (mm)
393
Consumer Limited Warranty†
2 Year
Engine Series
Intek™ (Single Cylinder)
Engine Type
Single cylinder, 4-stroke, air cooled, OHV (Overhead Valve)
Engine Displacement (cc)
500
Bore (mm)
90.5
Oil Capacity (L)
1.4
Length (mm)
479
Height (mm)
327
Commercial Limited Warranty†
1 Year
Model Number
31R9
Gross Power HP* (kW) @3'600 rpm
17.5
Cylinder
Cast Iron Sleeve
Stroke (mm)
77.8
Weight (kg)
29.5
Width (mm)
393
Consumer Limited Warranty†
2 Year
Engine Series
Intek™ (Single Cylinder)
Engine Type
Single cylinder, 4-stroke, air cooled, OHV (Overhead Valve)
Engine Displacement (cc)
500
Bore (mm)
90.5
Oil Capacity (L)
1.4
Length (mm)
479
Height (mm)
327
Commercial Limited Warranty†
1 Year
Model Number
33R7
Engine Displacement (cc)
540
Bore (mm)
94.0
Oil Capacity (L)
1.4
Length (mm)
479
Height (mm)
327
Commercial Limited Warranty†
1 Year
Gross Power HP* (kW) @3'600 rpm
19
Cylinder
Cast Iron Sleeve
Stroke (mm)
77.8
Weight (kg)
29.5
Width (mm)
411
Consumer Limited Warranty†
2 Year
Engine Series
Intek™ (Single Cylinder)
Model Number
33R8
Gross Power HP* (kW) @3'600 rpm
19
Cylinder
Cast Iron Sleeve
Stroke (mm)
77.8
Weight (kg)
29.5
Width (mm)
411
Consumer Limited Warranty†
2 Year
Engine Series
Intek™ (Single Cylinder)
Engine Type
Single cylinder, 4-stroke, air cooled, OHV (Overhead Valve)
Engine Displacement (cc)
540
Bore (mm)
94.0
Oil Capacity (L)
1.4
Length (mm)
479
Height (mm)
327
Commercial Limited Warranty†
1 Year

*Power levels are stated gross horsepower at 3600rpm per SAE J1940 as rated by Briggs & Stratton.

†See briggsandstratton.com for warranty details.

Model Number
21R7
21R7
Engine Type
Single cylinder, 4-stroke, air cooled, OHV (Overhead Valve)
Single cylinder, 4-stroke, air cooled, OHV (Overhead Valve)
Single cylinder, 4-stroke, air cooled, OHV (Overhead Valve)
Gross Power HP* (kW) @3'600 rpm
11.5*
10.5
11.5*
Engine Displacement (cc)
344
344
344
Cylinder
Cast Iron Sleeve
Cast Iron Sleeve
Cast Iron Sleeve
Bore (mm)
87.3
87.3
87.3
Stroke (mm)
57.5
57.5
57.5
Fuel Tank Capacity (L)
2.6 (optional)
2.6 (optional)
2.6 (optional)
Oil Capacity (L)
1.4
1.4
1.4
Weight (kg)
26.8
26.8
26.8
Length (mm)
452
452
452
Width (mm)
393
393
393
Height (mm)
327
327
327
Consumer Limited Warranty†
2 Year
2 Year
Commercial Limited Warranty†
90 Days
90 Days

*Power levels are stated gross horsepower at 3600rpm per SAE J1940 as rated by Briggs & Stratton.

†See briggsandstratton.com for warranty details.