Machine models

John Deere 40 specifications

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Short answer

John Deere 40: excavator.

Selected configuration figures
Configuration	Documented field and quantity
40 P-Tier Compact Excavator	Net power at net power rpm (ISO 9249) (hp) 40.0 hp Operating weight (lb) 8,795 lb

40 specification matrix — Engine
Specification	40 P-Tier Compact Excavator
Manufacturer	Yanmar
Model	3TNV86CT-DJWN9
Non-road emission standards	EPA Tier 4 Final
Displacement (cu in)	95.8 cu in
Displacement (L)	1.57 L
Net power (rpm)	2,600 rpm
Net power at net power rpm (ISO 9249) (hp)	40.0 hp
Net power at net power rpm (ISO 9249) (kW)	30.0 kW

Powertrain
Specification	40 P-Tier Compact Excavator
Maximum travel speed low/slow (mph)	1.7 mph
Maximum travel speed high/fast (mph)	3.1 mph

Hydraulics
Specification	40 P-Tier Compact Excavator
Main pump maximum rated flow (gpm)	26.4 gpm
Auxiliary hydraulics (gpm)	18.5 gpm

Electrical
Specification	40 P-Tier Compact Excavator
Alternator rating (amp)	55.0 amp
Work lights	LED Boom light and front left light standard on cab and canopy. Additional LED lights available (1x front right, 1x rear)

Undercarriage
Specification	40 P-Tier Compact Excavator
Standard track width (in)	14.3 in
Ground pressure with long arm, standard track, and cab (psi)	4.5 psi

Upperstructure
Specification	40 P-Tier Compact Excavator
Maximum boom swing angle, left (degree angle)	75.0 degrees
Swing speed, right/left (rpm)	9.5 rpm
Rear overhang (in)	14.0 in

Refill Capacities
Specification	40 P-Tier Compact Excavator
Fuel tank (gal)	15.3 gal

Operating weight with standard arm
Specification	40 P-Tier Compact Excavator
Conditions for measuring operating weight with standard arm	Standard Arm, Cab, Standard Counterweight, straight blade, hydraulic coupler, and rubber tracks
Operating weight (lb)	8,795 lb

Operating weight with long arm
Specification	40 P-Tier Compact Excavator
Conditions for measuring operating weight with long arm	Long Arm, Cab, Extra Counterweight, straight blade, hydraulic coupler, and rubber tracks
Operating weight (lb)	9,190 lb

Operating dimensions with standard arm
Specification	40 P-Tier Compact Excavator
Conditions for measuring operating dimensions	Standard Arm 1.4 m (4 ft 7.12 in), Canopy, Standard Counterweight, rubber track, and coupler
Maximum digging reach (ft, in)	18, 1 ft, in
Maximum digging depth (ft, in)	11 ft, in
Transport height (ft, in)	8, 2 ft, in
Overall length, blade in front (ft, in)	16, 6 ft, in
Digging force, bucket (lbf)	8340.0 lbf
Digging force, arm (lbf)	4496.0 lbf

Operating dimensions with long arm
Specification	40 P-Tier Compact Excavator
Conditions for measuring operating dimensions	Long Arm 1.65 m (5 ft 4.96 in), Cab, extra Counterweight, rubber track, and coupler
Maximum digging reach (ft, in)	18, 10 ft, in
Maximum digging depth (ft, in)	11, 10 ft, in
Transport height (ft, in)	8 ,2 ft, in
Overall length, blade in front (ft, in)	16, 9 ft, in

Ratios
Figure	40 P-Tier Compact Excavator
Engine horsepower per 1,000 lb of weight	4.5
Pump flow per engine horsepower	0.66 gpm

John Deere 40: excavator

Where the 40 ranks in John Deere's list — Scope of the captured comparison
Brand	Equipment group	Compared entry	Sort order
John Deere	excavator	40	Descending quantity; 1 is largest

Figure	40	Rank	Lowest in line	Highest in line
Engine power	40.0 hp	5 of 14	12.3 hp	367.0 hp
Listed weight	8,795 lb	4 of 11	2,930 lb	10,565 lb
Pump flow	26.4 gpm	4 of 5	15.0 gpm	106.0 gpm
Horsepower per 1,000 lb	4.5 hp	2 of 10	3.2 hp	4.9 hp

The 40 beside its neighbours

Base version	50D	40
Engine power	39.9 hp	40 hp
Weight	10,428 lb	8,795 lb
Pump flow	40: 26.4 gpm
Fuel capacity	50D: 18.5 gal
Ground pressure	50D: 4.41 psi
Maximum digging depth	50D: 11.75 ft

40: forum references — Forum-title search
Forum index	Equipment class queried	Names in the search	Matching titles
The Farming Forum, Heavy Equipment Forums, and TractorByNet	excavator	John Deere and the 40	61

Topics named by those titles
Title topic	Titles
parts and manuals	2
transmission and drive	2
starting and cranking	2

Topic in the title	Threads	Share of matching threads
parts and manuals	2	3%
transmission and drive	2	3%
starting and cranking	2	3%

John Deere 40 Series 40kph (The Farming Forum, 2026-06-15)
John Deere 40 (Heavy Equipment Forums, 2026-04-27)
JD Autoquad 40 50 Kph (The Farming Forum, 2025-09-14)
JD 40 Fan Belt Replacement (TractorByNet, 2025-06-27)

40: dated market and recall observations — Dated listing search
Date	Listing index	Equipment class	Names queried	Result
2026-09-24	MachineryTrader (machinerytrader.com)	excavator	40	No matching offers in this snapshot

Dated CPSC search
Date	Database	Names queried	Result
2026-09-24	U.S. Consumer Product Safety Commission	John Deere; 40	No matching recall in the stated search

Sources for this page
Evidence class	Document, classification and recorded date
Manufacturer	Manufacturer: John Deere 40 P-Tier Compact Excavator — Deere & Company. Observed 2026-09-23.
Forum threads	Forum threads: The Farming Forum thread index for John Deere 40 — The Farming Forum. Observed 2026-09-25.
Forum threads	Forum threads: Heavy Equipment Forums thread index for John Deere 40 — Heavy Equipment Forums. Observed 2026-09-24.
Forum threads	Forum threads: TractorByNet thread index for John Deere 40 — TractorByNet. Observed 2026-09-24.
Federal agency data	Federal agency data: Recall database search for John Deere — U.S. Consumer Product Safety Commission. Observed 2026-09-24.

John Deere 40: Configuration records

40 P-Tier Compact Excavator

Specification	Source figure
Engine
Manufacturer	Yanmar
Model	3TNV86CT-DJWN9
Non-road emission standards	EPA Tier 4 Final
Displacement (cu in)	95.8 cu in
Displacement (L)	1.57 L
Net power (rpm)	2,600 rpm
Net power at net power rpm (ISO 9249) (hp)	40.0 hp
Net power at net power rpm (ISO 9249) (kW)	30.0 kW
Powertrain
Maximum travel speed low/slow (mph)	1.7 mph
Maximum travel speed high/fast (mph)	3.1 mph
Hydraulics
Main pump maximum rated flow (gpm)	26.4 gpm
Auxiliary hydraulics (gpm)	18.5 gpm
Electrical
Alternator rating (amp)	55.0 amp
Work lights	LED Boom light and front left light standard on cab and canopy. Additional LED lights available (1x front right, 1x rear)
Undercarriage
Standard track width (in)	14.3 in
Ground pressure with long arm, standard track, and cab (psi)	4.5 psi
Upperstructure
Maximum boom swing angle, left (degree angle)	75.0 degrees
Swing speed, right/left (rpm)	9.5 rpm
Rear overhang (in)	14.0 in
Refill Capacities
Fuel tank (gal)	15.3 gal
Operating weight with standard arm
Conditions for measuring operating weight with standard arm	Standard Arm, Cab, Standard Counterweight, straight blade, hydraulic coupler, and rubber tracks
Operating weight with long arm
Conditions for measuring operating weight with long arm	Long Arm, Cab, Extra Counterweight, straight blade, hydraulic coupler, and rubber tracks
Additional specifications
Operating weight (lb)	8,795 lb
Conditions for measuring operating dimensions	Standard Arm 1.4 m (4 ft 7.12 in), Canopy, Standard Counterweight, rubber track, and coupler
Maximum digging reach (ft, in)	18, 1 ft, in
Maximum digging depth (ft, in)	11 ft, in
Transport height (ft, in)	8, 2 ft, in
Overall length, blade in front (ft, in)	16, 6 ft, in
Digging force, bucket (lbf)	8340.0 lbf
Digging force, arm (lbf)	4496.0 lbf

Source

More in John Deere: 75–135, 50D, 510/670/870 P-Tier excavators: fronts/cooling/transport.

John Deere 40 specifications

John Deere 40: excavator

The 40 beside its neighbours

Sources for this page

John Deere 40: Configuration records