Engine (Model 31907 & 31909); Hydraulic System - Toro Groundmaster Series Service Manual

Engine (Model 31902 & 31903) (continued)
Engine (Model 31907 & 31909)

Hydraulic System

Specifications and Maintenance: Specifications
Item
Crankcase-oil capacity
Oil pump
Coolant capacity
Alternator/Regulator
Engine weight (dry)
Item
Make/Designation
Bore
Stroke
Total displacement
Firing order
Compression Ratio
Fuel
Fuel tank capacity
Fuel injection pump
Fuel injector nozzle
Governor
Low idle (no load)
High idle (no load)
Engine oil
Crankcase-oil capacity
Oil pump
Coolant capacity
Alternator/Regulator
Engine Weight (dry)
Item
Piston (traction) pump
Maximum pump displacement (per
revolution)
Traction circuit relief pressure (forward and
reverse)
Charge Pump
Maximum pump displacement (per
revolution)
Yanmar 3TNV88-BDTR: 4-Cycle, 3 cylinder water
API CJ-4 or higher; refer to the traction
Danfoss, LPV variable displacement closed
Casappa positive displacement gear type pump
Page 2–4
Description
5.2 L (5.5 US qt) with Filter
Gear driven trochoid type
7.6 L (8 US qt)
12 VDC 55 A
188 kg (414 lb)
Description
cooled diesel. EPA Tier 2 compliant.
88 mm (3.465 inches)
90 mm (3.543 inches)
1,642 cm 3 (100.2 in
1 (flywheel end) - 3 (fan end) - 2
Diesel or Biodiesel fuel (up to B7)
45.4 L (12 US gallons)
Yanmar Supply Pump
Throttle type
Centrifugal-all speed governor
1,150 to 1,250 rpm
3,200 to 3,250 rpm
unit Operator's Manual for additional
engine oil information
6.6 L (7 US qt)
Gear driven trochoid type
7.6 L (8 US qt)
12 VDC, 40 A
161 kg (355 lb)
Description
circuit axial piston pump
34.9 cm 3
24,993 kPa (3625 psi)
5.6 cm 3
Groundsmaster ® 3200, 3300 and 3310
19240SL Rev A
3 )
23:1
(2.13 in 3 )
(0.34 in 3 )