Gravely 985103 - Manual (Page 7)

3 -7
Model Number 985108 985109 985110 985111
Description 12HP Gear Drive 16HP Gear Drive 8HP Gear Drive 8HP Gear Drive
Brakes Optional, individual, 7" (17.8 cm) x 1.75 (4.4 cm) drum type
Steering Manual, optional power steering kit available
Turning Radius Zero (with steering kit)
Minimum Uncut Circle Zero
Optional Tire Sizes
-Stud Tread 4" x 8", 4 ply 4" x 8", 4 ply 4" x 8", 4 ply 4" x 8", 4 ply
-Trac Tread 4" x 8", 4 ply 4" x 8", 4 ply 4" x 8", 4 ply 4" x 8", 4 ply
-Turf-Chief 18" x 6.5" x 8", 4 ply 18" x 6.5" x 8", 4 ply 18" x 6.5" x 8", 4 ply 18" x 6.5" x 8", 4 ply
-Turf-Saver 18" x 8.5" x 8", 4 ply 18" x 8.5" x 8", 4 ply 18" x 8.5" x 8", 4 ply 18" x 8.5" x 8", 4 ply
-Semi-Pneumatic 16" x 5" x 3", 4 ply 16" x 5" x 3", 4 ply 16" x 5" x 3", 4 ply 16" x 5" x 3", 4 ply
Tire Pressure 18 psi 18 psi 18 psi 18 psi
Battery 12 volt, BCI group 12 volt, BCI group None 12 volt, BCI group
Engine Kohler Briggs & Stratton Kohler Kohler
-Type M12S (PS471529) 303447 PS-301058 PS-30159
-Horsepower 12HP at 3600 RPM 16 HP at 3600 RPM 8 HP at 3600 RPM 8 HP at 3600 RPM
-Number of Cylinders One Two One One
-Displacement 29 cu. in. (477 cc) 29.3 cu. in. (480 cc) 18 cu. in. (305.4 cc) 18 cu. in. (305.4 cc)
-Fuel Gasoline, 87 minimum
octane
Gasoline, 87 minimum
octane
See Engine Manual See Engine Manual
-Fuel Capacity 2.0 gals. (7.5 L) 1.5 gals. (5.7 L) 1.25 gals. (4.7 L) 1.25 gals. (4.7 L)
-Cooling Air Air Air Air
-Air Filter Dual Element with
PreCleaner
Dual Element with
PreCleaner
Dual Element with
PreCleaner
Dual Element with
PreCleaner
-Lubrication Splash System Full pressure pump with
oil filter
Splash System Splash System
-Oil Type See Engine Manual See Engine Manual See Engine Manual See Engine Manual
-Oil Capacity 2.5 pts. (1.2 L) 3.0 pts. (1.4 L) 2.5 pts. (1.2 L) 2.5 pts. (1.2 L)
-Oil Filter Spin on oil filter Spin on oil filter Spin on oil filter Spin on oil filter
-Charging System 12 volt, 15 amp 12 volt, 16 amp Recoil 12 volt, 15 amp
Transmission
-Type All gear planetary transmission with fully enclosed PTO and immersion clutch
-Oil Type SAE 30W API service class SF or higher
-Oil Capacity 5 qts (4.7 L) 5 qts (4.7 L) 5 qts (4.7 L) 5 qts (4.7 L)
-Cooling Air Air Air Air
-Number of Speeds 2 forward/2 reverse 4 forward/4 reverse 4 forward/4 reverse 4 forward/4 reverse
Speeds
-Forward 1st - 1.4 mph (2.3 kph)
2nd - 1.8 mph (2.9 kph)
3rd - 2.7 mph (4.4 kph)
4th - 3.7 mph (6.0 kph)
1st - 1.4 mph (2.3 kph)
2nd - 1.8 mph (2.9 kph)
3rd - 2.7 mph (4.4 kph)
4th - 3.7 mph (6.0 kph)
1st - 1.4 mph (2.3 kph)
2nd - 1.8 mph (2.9 kph)
3rd - 2.7 mph (4.4 kph)
4th - 3.7 mph (6.0 kph)
1st - 1.4 mph (2.3 kph)
2nd - 1.8 mph (2.9 kph)
3rd - 2.7 mph (4.4 kph)
4th - 3.7 mph (6.0 kph)
-Reverse 1st - 1.3 mph (2.1 kph)
2nd - 1.7 mph (2.7 kph)
3rd - 2.6 mph (4.2 kph)
4th - 3.3 mph (5.3 kph)
1st - 1.3 mph (2.1 kph)
2nd - 1.7 mph (2.7 kph)
3rd - 2.6 mph (4.2 kph)
4th - 3.3 mph (5.3 kph)
1st - 1.3 mph (2.1 kph)
2nd - 1.7 mph (2.7 kph)
3rd - 2.6 mph (4.2 kph)
4th - 3.3 mph (5.3 kph)
1st - 1.3 mph (2.1 kph)
2nd - 1.7 mph (2.7 kph)
3rd - 2.6 mph (4.2 kph)
4th - 3.3 mph (5.3 kph)
PTO
-Type Internal Slip Clutch Internal Slip Clutch Internal Slip Clutch Internal Slip Clutch
-Drive All gear shaft driven off
high/low planetary
All gear shaft driven off
high/low planetary
All gear shaft driven off
high/low planetary
All gear shaft driven off
high/low planetary
Output Speeds High - 1179 RPM, low - 888 RPM at 3300 engine RPM
Construction Cast-iron transmission case with 7-gauge framing