Specifications, Service and Repair of Farm and Lawn Tractors

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New Holland Boomer 40 Tractor Specs

NH Boomer 40 Engine Specifications

Engine Model - Mitsubishi S4Q2
Engine Power, Rated, hp (kW) - 41 (31)
Rated Engine Speed, rpm - 2600
Power Boost, hp (kW) - No boost
Fuel Tank, gal (L) - 9.5 (36)
Cylinders - 4
Displacement, cu in (L) - 153 (2.5)
Engine Bore, in (mm) - 3.46 (88)
Engine Stroke, in (mm) - 4.06 (103)
Block Design, Replaceable Liners - Parent bore
Aspiration, Turbocharged or Naturally Aspirated - Natural
Fuel System Description - Rotary-Distributor Type
Fuel System Control - Mechanical
Fuel Injection to combustion chamber - Indirect
Emission Level - Tier 3
Exhaust Pipe - Horizontal
Cooling System Fan Drive Type - Belt
Electrical System Rating, Volts - 12
Alternator Rating, Amps - 50

New Holland Boomer 40 Transmissions

Description - 3-Range Hydrostatic
Transmission Type - Hydrostatic, 3 range
Forward / Reverse Speeds - Infinite, 3 ranges
Maximum Speed Forward, mph (kph) - 14.1 (22.7)
Creeper Range - No
Shuttle (Forward-Reverse) - Yes

Description - 16x16 Synchro Shuttle Shift
Transmission Type - Synchro
Forward / Reverse Speeds - 16F / 16R

NH Boomer 40 PTO

PTO Horsepower, hp (kW) - 32.8 (24.5) / 34.3 (25.6)
Power Take Off Speeds, rpm - 540
PTO Type - Independent

Wheels and Tires

Drive Wheels - 4WD
Steering - Front Steer
Wheelbase, 4WD, in (mm) - 69 (1753)
Front Tire Size Width, 4WD - 10x16.5 6PR R4
Rear Tire Size Width - 43-16.00-20 4PR R4

Rear Axle and Brakes

Final Drive - Inboard Planetary
Axle Output End - Flange
Brake Type - Wet Disc

New Holland Boomer 40 Hydraulic System and Hitch

Hydraulic System Type - Open Center
Main Hydraulic Pump Type - Gear
Standard Pump Flow, gpm (Lpm) - 8.2 (31.2)
Optional Pump Flow, gpm (Lpm) - No option
Standard Remote Valves - None
3-Point Hitch Category - Category 1
Optional Hitch Category - No option
Draft Sensing or Lift Control - Optional top link sensing
Draft Link Ends Adjustable - Yes
Standard Lift Capacity 24 Inches behind pin, lb (kg) - 2,116 (960)
Standard Lift Capacity at lift pin, lb (kg) - 2,756 (1250)
Drawbar Description - Swinging, extendable

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