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English Units - tractor Performance
NEW HOLLAND TRACTOR PERFORMANCE --MFWD/4WD TRACTOR, Unpowered 28-Nov-11 P
English STATIC DYNAMIC FORD 5635-24 SP 2WD___________________ 67pto hp
FRONT 48% of 6 Star Rating Wheelbase 92.20 in
Wt, lbs 1621 Tire OK 209 Draft: Ht above ground 29.92 in
% of Total 16.5 % 2.0 % @Dist Behind Rear Axle 27.7 in
Tire Size 9.5 - 15.0 Tire OK Angle 10 deg
Number/PSI 2 #N/A F-2 Bias No-Slip Speed 5.50 mph
Power Eff 0.92 U Unpowered Input Power 66.66 hp
Axle Power, hp -- 0.0 Load Factor 100 %
REAR 93% of 3 Star Rating Soil Strength, Cone Index, psi: 250 psi
Wt, lbs 8182 Tire OK 10253 (Poor, Med, Good: 65, 125, 250)
% of Total 83.5 % 98.0 % Wt Trans Coef (DWC) 0.554
Tire Size 480.0 /70R 34 Tire OK Wt Transfer-From implement 660 lb
Number/PSI 2 13 R-1 Radial From Tractor Front 1412 lb
Power Eff 0.92 ---- PDE,Power Delivery Eff, Dbar/Input 0.757 ratio
Axle Power, hp ------- 61.3 VTR, Pull/Tot Static Wt 0.382 ratio
TOTAL Axle Power, hp 61.25 Drawbar Pull 3741 lb
Wt, lbs 9803 10462 Actual Travel Speed 5.06 mph
lb /Axle hp 160.0 170.8 Travel Reduction (Slip) 8.00 %
lb/Input hp 147.1 156.9 s Drawbar Power 50.5 hp
0.0000000
Use TRACPERF MENU to change tractors, or tires and to change Calculation Mode to/from Performance/Weight
and to change implement type (modifys draft angle and location of resultant draft force).
1
Sizing Implements with Tractor
Draft (lbs) = 2,806 Power (HP) 37.9 Fuel Consumption (gal/h)=
4.16 Calculated Tractor Power
Speed (mph) = 5.1 X-Ratio 1.00 Nred 0 4.16 Use this to select tractor
Soil Type = 1 Reserve 0.25 Sizing Implements Given Implements
Implement Est Depth (in) Depth (in)
Width (Est) ft or tools Width (ft) FE CapacityFuel Useage (Est)
Width ft Draft Db-hp PTO-hp
MAJOR TILLAGE TOOLS spacing (in) between tools ac/hr lbs
gal/ac spacing (in) between tools hp hp
Subsoiler/Manure Injector
narrow point # tools 10 24 1.42 1 14.16 2.0 0.85 1.0 3.99 24 6 12.0 11,888 201 267
12-in winged point # tools 8 24 1.37 1 10.93 2.0 0.85 1.0 3.99 24 6 12.0 12,317 208 277
12-in winged point + coulter # tools 8 24 1.28 1 7.24 2.0 0.85 1.0 3.99 24 6 12.0 13,365 225 301
Moldboard Plow (no coulters)
no coulters ft 8 NA 2.04 2 8.16 2.0 0.85 1.0 3.99 NA 6 6.0 8,251 139 186
w/ smooth or ripple coulters ft 8 NA 1.86 2 5.91 2.0 0.85 1.0 3.99 NA 6 6.0 9,298 157 209
w/ bubble or flute coulters ft 8 NA 1.83 2 5.61 2.0 0.85 1.0 3.99 NA 6 6.0 9,503 160 214
Chisel Plow
2-in straight point # tools 8 8 4.57 5 7.31 3.3 0.85 1.7 2.39 8 18 12.0 11,058 187 249
3-in shovel/14-in sweep # tools 8 10 3.88 4 7.76 3.3 0.85 1.7 2.39 10 19 15.8 13,733 232 309
4-in twisted shovel # tools 8 12 3.38 3 9.00 3.0 0.85 1.6 2.66 12 14 14.0 11,637 196 262
Sweep Plow
primary tillage ft 8 NA 3.72 4 7.44 4.0 0.8 2.0 2.12 NA 16 16.0 12,072 204 271
secondary tillage ft 6 NA 7.01 7 6.01 7.0 0.8 3.4 1.21 NA 14 14.0 5,605 95 126
Disk Harrow, Tandem
primary tillage ft 6 NA 6.13 6 6.13 6.0 0.8 2.9 1.41 NA 30 30.0 13,730 232 309
secondary tillage ft 4 NA 13.19 13 4.06 13.0 0.8 6.4 0.65 NA 24 24.0 5,106 86 115
Disk Harrow, Offset
primary tillage ft 6 NA 5.24 5 6.28 5.0 0.75 2.3 1.81 NA 18 18.0 9,647 163 217
secondary tillage ft 4 NA 11.09 11 4.03 11.0 0.75 5.1 0.82 NA 38 38.0 9,611 162 216
Disk Gang, Single
primary tillage ft 6 NA 15.53 16 5.82 16.0 0.7 6.9 0.61 NA 52 52.0 9,394 158 211
secondary tillage ft 4 NA 32.51 33 3.94 33.0 0.7 14.2 0.29 NA 110 110.0 9,494 160 214
Coulters
smooth or ripple # tools 3 Not a standalone unit Not a standalone unit
bubble or flute # tools 3 Not a standalone unit Not a standalone unit
Field Cultivator
primary tillage # tools 5 7.5 14.52 15 4.84 9.4 0.85 4.9 0.85 8 43 28.7 8,310 140 187
secondary tillage # tools 5 7.5 19.96 20 4.99 12.5 0.85 6.5 0.64 7.5 40 25.0 5,622 95 126
Row Crop Cultivator
S-tine # rows 5 10 4.99 5 4.99 4.2 0.8 2.0 2.03 10 10 8.3 5,619 95 126
C-shank # rows 5 30 2.70 3 4.49 7.5 0.8 3.7 1.13 30 5 12.5 5,205 88 117
No-till # rows 5 30 1.61 2 4.02 5.0 0.8 2.5 1.70 30 3 7.5 5,230 88 118
No-till w/ smooth/ripple coulters # rows 5 30 1.50 1 5.85 2.5 0.8 1.2 3.39 30 3 7.5 5,885 99 132
No-till w/ bubble/flute coulters # rows 5 30 1.48 1 5.55 2.5 0.8 1.2 3.39 30 3 7.5 6,013 101 135
Rod Weeder ft 3 NA 17.92 18 2.99 18.0 0.8 8.8 0.47 NA 36 36.0 5,635 95 127
Disk-Bedder # rows 3 30 6.23 6 3.12 15.0 0.8 7.4 0.57 30 10 25.0 4,501 76 101
MINOR TILLAGE TOOLS
Rotary Hoe ft 3 NA 22.81 23 2.98 23.0 0.8 11.3 0.37 NA 89 89.0 10,947 185 246
Coil Tine Harrow ft 3 NA 55.02 55 3.00 55.0 0.8 27.0 0.15 NA 214 214.0 10,914 184 245
Spike Tooth Harrow ft 3 NA 23.38 23 3.05 23.0 0.8 11.3 0.37 NA 91 91.0 10,920 184 246
Spring Tooth Harrow ft 3 NA 6.93 7 2.97 7.0 0.8 3.4 1.21 NA 27 27.0 10,935 184 246
Roller Packer ft 3 NA 23.38 23 3.05 23.0 0.8 11.3 0.37 NA 91 91.0 10,920 184 246
Roller Harrow ft 3 NA 5.20 5 3.12 5.0 0.7 2.1 1.94 NA 20 20.0 10,800 182 243
Land Plane ft 3 NA 1.70 2 2.55 2.0 0.7 0.9 4.84 NA 7 7.0 11,550 195 260
SEEDING IMPLEMENTS
Row Crop Planter, prepared seedbed
mounted
seeding only # rows 1 30 25.51 26 0.98 65.0 0.65 25.9 0.16 30 33 187.5 3,630 61 82
drawn
seeding only # rows 1 30 14.03 14 1.00 35.0 0.65 14.0 0.30 30 18 45.0 3,600 61 81
seed, fertilizer, herbicides # rows 1 30 8.02 8 1.00 20.0 0.65 8.0 0.52 30 10 25.0 3,500 59 79
Row Crop Planter, no-till
seed, fertilizer, herbicides
1 fluted coulter/row # rows 1 30 6.84 7 0.98 17.5 0.65 7.0 0.60 30 10 52.5 4,100 69 92
Row Crop Planter, zone-till
seed, fertilizer, herbicides
3 fluted coulters/row # rows 1 30 3.67 4 0.92 10.0 0.65 4.0 1.04 30 6 15.0 4,590 77 103
Grain Drill w/press wheels
<2.4 m drill width # rows 1 7.5 31.18 31 1.01 19.4 0.7 8.3 0.50 7.5 13 8.1 1,170 20 26
2.4 to 3.7 m drill width # rows 1 7.5 41.88 42 1.00 26.3 0.7 11.3 0.37 7.5 18 11.3 1,206 20 27
>3.7 m drill width # rows 1 15 112.23 112 1.00 140.0 0.7 60.1 0.07 15 49 61.3 1,225 21 28
Grain Drill, no-till
1 fluted coulter/row # rows 1 7.5 17.54 18 0.97 11.3 0.7 4.8 0.86 7.5 29 18.1 4,640 78 104
Hoe Drill
primary tillage ft 1 NA 6.68 7 0.95 7.0 0.7 3.0 1.38 NA 3 3.0 1,260 21 28
secondary tillage ft 1 NA 14.03 14 1.00 14.0 0.7 6.0 0.69 NA 6 6.0 1,200 20 27
Pneumatic Drill ft 1 NA 11.22 11 1.02 11.0 0.7 4.7 0.88 NA 5 5.0 1,250 21 28
SI Units - Tractor Performance
TRACTOR PERFORMANCE -- MFWD/4WD TRACTOR, Unpowered
SI Output STATIC DYNAMIC FORD 5635-24 SP 2WD___________________ 67pto hp
FRONT 48% of 6 Star Rating Wheelbase 2342.00 mm
Wt, kg 735 Tire OK 95 Draft: Ht above ground 760.00 mm
% of Total 16.5 % 2.0 % @Dist Behind Rear Axle 702.60 mm
Tire Size 9.5 - ### Tire OK Angle 10 deg
Number/kPa 2 #N/A F-2 Bias No-Slip Speed 8.85 kmh
Power Eff 0.92 U Unpowered Input Power 49.71 kW
Axle Power, kW -- 0.0 Load Factor 100 %Load
REAR 93% of 3 Star Rating Soil Strength, Cone Index, kPa: 1724 kPa
Wt, kg 3711 Tire OK 4650 (Poor,Med,Good:450,860,1725)
% of Total 83.5 % 98.0 % Wt Trans Coef (DWC) 0.554
Tire Size 480.0 /70R 34 Tire OK Wt Transfer-From impl 299.141 kg
Number/kPa 2 88 R-1 Radial From Tractor Front 640 kg
Power Eff 0.92 ---- PDE,Power Delivery Eff, Dbar/Input 0.757
Axle Power, kW -- 45.7 VTR, Pull/Tot Static Wt 0.382
TOT Axle power, kW 45.68 Drawbar Pull 17 kN
Wt, kg 4446 4745 Actual Travel Speed 8.14 kmh
/Axle kW 97.3 103.9 Travel Reduction (Slip) 8.00 %
/Input kW 89.4 95.5 Drawbar Power 37.6 kW
Use TRACPERF MENU to change tractors, or tires and to change Calculation Mode to/from Performance/Weight
and to change implement type (modifys draft angle and location of resultant draft force).
*********** ******* **** *** ********** * *********************** ********* ******
3
SI Units - Tractor Performance
_____ 67pto hp
erformance/Weight
4
Sizing Implements with Tractor
Draft (kN) = 17 Power (kW) 37.6 Fuel Consumption (gal/h)=15.74 Calculated Tractor Power
Speed (kmh) = 8 X-Ratio 1.00 Nred 0 15.74 Use this to select tractor
Soil Type = 1 Reserve 0 Sizing Implements Given Implements
Implement Est Depth (mm) Depth (mm) Width (m) FE CapacityFuel Useage
Width (Est) m Draft Db-hp PTO-hp
MAJOR TILLAGE TOOLS spacing (mm) between tools ha/hr l/ha kN
spacing (mm) between tools kW W
Subsoiler/Manure Injector
narrow point # tools 254 609.6 1 359.7 0.6 0.85 0.42 37.32 588 6 3.7 52.9 150 199
12-in winged point # tools 203 609.6 1 277.7 0.6 0.85 0.42 37.32 588 6 3.7 54.8 155 207
12-in winged point + coulter # tools 203 609.6 1 183.9 0.6 0.85 0.42 37.32 588 6 3.7 59.4 168 224
Moldboard Plow (no coulters)
no coulters m 203 NA 2 207.3 0.6 0.85 0.42 37.32 NA 6 1.8 36.7 104 138
w/ smooth or ripple coulters m 203 NA 2 150.1 0.6 0.85 0.42 37.32 NA 6 1.8 41.4 117 156
w/ bubble or flute coulters m 203 NA 2 142.4 0.6 0.85 0.42 37.32 NA 6 1.8 42.3 120 159
Chisel Plow
2-in straight point # tools 203 203.2 5 185.6 1.0 0.85 0.70 22.39 196 18 3.7 49.2 139 185
3-in shovel/14-in sweep # tools 203 254 4 197.2 1.0 0.85 0.70 22.39 245 19 4.8 61.1 173 230
4-in twisted shovel # tools 203 304.8 3 228.6 0.9 0.85 0.63 24.88 294 14 4.3 51.8 146 195
Sweep Plow
primary tillage m 203 NA 4 188.9 1.2 0.8 0.79 19.83 NA 16 4.9 53.7 152 202
secondary tillage m 152 NA 7 152.6 2.1 0.8 1.39 11.33 NA 14 4.3 24.9 70 94
Disk Harrow, Tandem
primary tillage m 152 NA 6 155.7 1.8 0.8 1.19 13.22 NA 30 9.1 61.1 173 230
secondary tillage m 102 NA 13 103.1 4.0 0.8 2.58 6.10 NA 24 7.3 22.7 64 86
Disk Harrow, Offset
primary tillage m 152 NA 5 159.6 1.5 0.75 0.93 16.92 NA 18 5.5 42.9 121 162
secondary tillage m 102 NA 11 102.5 3.4 0.75 2.05 7.69 NA 38 11.6 42.7 121 161
Disk Gang, Single
primary tillage m 152 NA 16 147.9 4.9 0.7 2.78 5.66 NA 52 15.8 41.8 118 158
secondary tillage m 102 NA 33 100.1 10.1 0.7 5.73 2.75 NA 110 33.5 42.2 119 159
Coulters
smooth or ripple # tools 76 Not a standalone unit Not a standalone unit
bubble or flute # tools 76 Not a standalone unit Not a standalone unit
Field Cultivator
primary tillage # tools 127 190.5 15 122.9 2.9 0.85 1.98 7.96 196 43 8.7 37.0 105 139
secondary tillage # tools 127 190.5 20 126.8 3.8 0.85 2.64 5.97 183.8 40 7.6 25.0 71 94
Row Crop Cultivator
S-tine # rows 127 254 5 126.8 1.3 0.8 0.83 19.03 245 10 2.5 25.0 71 94
C-shank # rows 127 762 3 114.1 2.3 0.8 1.49 10.57 735 5 3.8 23.2 65 87
No-till # rows 127 762 2 102.2 1.5 0.8 0.99 15.86 735 3 2.3 23.3 66 88
No-till w/ smooth/ripple coulters # rows 127 762 1 148.6 0.8 0.8 0.50 31.72 735 3 2.3 26.2 74 99
No-till w/ bubble/flute coulters # rows 127 762 1 141.1 0.8 0.8 0.50 31.72 735 3 2.3 26.7 76 101
Rod Weeder m 76 NA 18 75.9 5.5 0.8 3.57 4.41 NA 36 11.0 25.1 71 95
Disk-Bedder # rows 76 762 6 79.2 4.6 0.8 2.98 5.29 735 10 7.6 20.0 57 75
MINOR TILLAGE TOOLS
Rotary Hoe m 76 NA 23 75.6 7.0 0.8 4.57 3.45 NA 89 27.1 48.7 138 184
Coil Tine Harrow m 76 NA 55 76.2 16.8 0.8 10.92 1.44 NA 214 65.2 48.5 137 183
Spike Tooth Harrow m 76 NA 23 77.5 7.0 0.8 4.57 3.45 NA 91 27.7 48.6 137 183
Spring Tooth Harrow m 76 NA 7 75.4 2.1 0.8 1.39 11.33 NA 27 8.2 48.6 138 183
Roller Packer m 76 NA 23 77.5 7.0 0.8 4.57 3.45 NA 91 27.7 48.6 137 183
Roller Harrow m 76 NA 5 79.2 1.5 0.7 0.87 18.13 NA 20 6.1 48.0 136 181
Land Plane m 76 NA 2 64.8 0.6 0.7 0.35 45.32 NA 7 2.1 51.4 145 194
SEEDING IMPLEMENTS
Row Crop Planter, prepared seedbed
mounted
seeding only # rows 25 762 26 0.0 19.8 0.65 10.48 1.50 735 33 57.2 16.1 46 61
drawn
seeding only # rows 25 762 14 25.5 10.7 0.65 5.65 2.79 735 18 13.7 16.0 45 60
seed, fertilizer, herbicides # rows 25 762 8 25.5 6.1 0.65 3.23 4.88 735 10 7.6 15.6 44 59
Row Crop Planter, no-till
seed, fertilizer, herbicides
1 fluted coulter/row # rows 25 762 7 24.8 5.3 0.65 2.82 5.58 735 10 16.0 18.2 52 69
Row Crop Planter, zone-till
seed, fertilizer, herbicides
3 fluted coulters/row # rows 25 762 4 23.3 3.0 0.65 1.61 9.76 735 6 4.6 20.4 58 77
Grain Drill w/press wheels
<2.4 m drill width # rows 25 190.5 31 25.5 5.9 0.7 3.37 4.68 183.8 13 2.5 5.2 15 20
2.4 to 3.7 m drill width # rows 25 190.5 42 25.3 8.0 0.7 4.56 3.45 183.8 18 3.4 5.4 15 20
>3.7 m drill width # rows 25 381 112 25.5 42.7 0.7 24.32 0.65 367.5 49 18.7 5.4 15 21
Grain Drill, no-till
1 fluted coulter/row # rows 25 190.5 18 24.7 3.4 0.7 1.95 8.06 183.8 29 5.5 20.6 58 78
Hoe Drill
primary tillage m 25 NA 7 24.2 2.1 0.7 1.22 12.95 NA 3 0.9 5.6 16 21
secondary tillage m 25 NA 14 25.5 4.3 0.7 2.43 6.47 NA 6 1.8 5.3 15 20
Pneumatic Drill m 25 NA 11 25.9 3.4 0.7 1.91 8.24 NA 5 1.5 5.6 16 21
Summary
OUTPUT SUMMARY PAGE
20 20 20 20 20
RUN: >> current values 1 2 3 4 5
-----------
INPUT:
note:
model JOHN 2WD___________________ JD 4055
4055 PowerShift MFWD_________ 109 pto
FORD 5635-24 SP DEEREJD 4055 JD 4055 67pto hp JD 4055 hp
Front --
1 Stat Wt,lbs(kg) 1621 5376 5376 5376 5376 5376
2 Tire Size 0.00 0.00 0.00 0.00 0.00 0.00
3 No, each side 2 2 2 2 2 2
4 Power Eff 0.92 0.92 0.92 0.92 0.92 0.92
5 Rear --
6 Stat Wt,lbs(kg) 8182 8582 8582 8582 8582 8582
7 Tire Size 0.00 0.00 0.00 0.00 0.00 0
8 No 2 2 2 2 2 2
9 Power Eff 0.92 0.92 0.92 0.92 0.92 0.92
10
11 Wheelbase,in(mm) 92.2 105.3 105.3 105.3 105.3 105.3
12 Draft Ht, in(mm) 29.92 16.9 16.9 16.9 16.9 16.9
13 Dist, in(mm) 27.66 0 0.00 0 0 0
14 Ang, degree 10 0 0 0 0 0
1 15 No Slip mph(kmh) 5.50 3 3.50 4 4.5 5
16 Input Hp (kW) 66.66111 109.17 109.17 109.17 109.17 109.17
17 Soil CI,psi(kPa) 250 250 250 250 250 250
18 OUTPUT:
19 Wt Static, Tot 9803 13958 13958 13958 13958 13958
20 Front, lb(kg) 1621 5376 5376 5376 5376 5376
21 % of Total 16.5 38.5 38.5 38.5 38.5 38.5
22 Press,psi(kPa) #N/A 13.1 13.1 13.1 13.1 13.1
23 Rear, lb(kg) 8182 8582 8582 8582 8582 8582
24 Press,psi(kPa) 13 11 11 11 11 11
25
2 26 Lb/Axle Hp(kW) 160 139.2 139.2 139.2 139.2 139.2
3 27 Lb/Input Hp(kW) 147 127.9 127.9 127.9 127.9 127.9
28 Wt Dynamic, Tot 10462 13958 13958 13958 13958 13958
29 Front, lb(kg) 209 3538 3779 3986 4149 4280
30 % of Total 2.0 25.3 27.1 28.6 29.7 30.7
31 Rear, lb(kg) 10253 10420 10178 9972 9809 9678
32
4 33 Axle Power-Front 0.00 25.5 27.2 28.7 29.8 30.8
5 34 hp(kw) -Rear 61.25 74.8 73.1 71.6 70.5 69.5
35 DWC 0.554 0.161 0.161 0.161 0.161 0.161
36 Wt Trans -Impl 660 0 0 0 0 0
37 -Tr Front 1412 1838 1596 1390 1227 1096
6 38 PDE, dbhp/ptohp 0.757 0.304 0.625 0.686 0.714 0.730
Page 6
Summary
7 39 VTR, pull/tot static wt 0.382 0.819 0.712 0.620 0.547 0.488
8 40 Wt*Speed/Power #REF! #REF! #REF! #REF! #REF! #REF!
41
9 42 Drawbar Hp(kw) 50.48 33.2 68.2 74.9 78.0 79.7
10 43 Db Pull, lb(kN) 3741 11435 9931 8647 7634 6818
11 44 Speed,mph(kmh) 5.06 1.09 2.58 3.25 3.83 4.38
12 45 Travel Reduction, % 8.0 63.7 26.4 18.8 14.9 12.4
----------------------------
data for summary chart
1 2 3 4 5
2 44 Speed 1.087778 2.576922 3.246525 3.830189 4.381984
8 38 PDE 0.303842 0.625138 0.685748 0.714196 0.729745
12 43 DB pull 11435.03 9931.368 8647.291 7633.645 6817.657
SI / inch (1=SI, 2=inch): FALSE 2
Axis labels conversion factors
Ground Speed (mph) 1
Power Delivery Efficiency 1
Drawbar Pull (lb) 1
Page 7
Summary
20 20 20 20 20 20 20 20 20
6 7 8 9 10 11 12 13 14
JD 4055 JD 4055 JD 4055 JD 4055 JD 4055 JD 4055 JD 4055 JD 4055 JD 4055
5376 5376 5376 5376 5376 5376 5376 5376 5376
0.00 0.00 0.00 0.00 0.00 0 0 0 0
2 2 2 2 2 2 2 2 2
0.92 0.92 0.92 0.92 0.92 0.92 0.92 0.92 0.92
8582 8582 8582 8582 8582 8582 8582 8582 8582
0 0 0 0 0 0 0 0 0
2 2 2 2 2 2 2 2 2
0.92 0.92 0.92 0.92 0.92 0.92 0.92 0.92 0.92
105.3 105.3 105.3 105.3 105.3 105.3 105.3 105.3 105.3
16.9 16.9 16.9 16.9 16.9 16.9 16.9 16.9 16.9
0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0
5.5 6 7 8 9 10 12 14 16
109.17 109.17 109.17 109.17 109.17 109.17 109.17 109.17 109.17
250 250 250 250 250 250 250 250 250
13958 13958 13958 13958 13958 13958 13958 13958 13958
5376 5376 5376 5376 5376 5376 5376 5376 5376
38.5 38.5 38.5 38.5 38.5 38.5 38.5 38.5 38.5
13.1 13.1 13.1 13.1 13.1 13.1 13.1 13.1 13.1
8582 8582 8582 8582 8582 8582 8582 8582 8582
11 11 11 11 11 11 11 11 11
139.2 139.2 139.2 139.2 139.2 139.2 139.2 139.2 139.2
127.9 127.9 127.9 127.9 127.9 127.9 127.9 127.9 127.9
13958 13958 13958 13958 13958 13958 13958 13958 13958
4388 4478 4619 4726 4808 4875 4974 5046 5099
31.4 32.1 33.1 33.9 34.5 34.9 35.6 36.1 36.5
9570 9480 9339 9232 9149 9083 8983 8912 8859
31.6 32.2 33.2 34.0 34.6 35.0 35.7 36.3 36.6
68.8 68.1 67.1 66.3 65.7 65.3 64.6 64.0 63.7
0.161 0.161 0.161 0.161 0.161 0.161 0.161 0.161 0.161
0 0 0 0 0 0 0 0 0
988 898 757 650 567 501 401 330 277
0.739 0.743 0.745 0.742 0.735 0.727 0.706 0.682 0.656
Page 8
Summary
0.440 0.400 0.337 0.290 0.253 0.223 0.179 0.147 0.123
#REF! #REF! #REF! #REF! #REF! #REF! #REF! #REF! #REF!
80.6 81.1 81.4 81.0 80.3 79.3 77.0 74.4 71.7
6148 5588 4707 4045 3529 3117 2497 2054 1722
4.92 5.44 6.48 7.51 8.53 9.55 11.57 13.59 15.61
10.6 9.3 7.4 6.1 5.2 4.5 3.6 2.9 2.4
6 7 8 9 10 11 12 13 14
4.917941 5.444751 6.48284 7.509363 8.529494 9.545705 11.57119 13.59131 15.6084
0.738519 0.743211 0.745381 0.741966 0.735347 0.726709 0.70576 0.681912 0.656383
6147.702 5588.158 4707.024 4044.956 3529.405 3116.625 2496.932 2053.964 1721.569
Page 9
Summary
Used for summary Chart & macro
20 20 20 20 20 20 for menu list
15 16 17 18 19 20 1 15 No-Slip Speed
2 44 Actual Speed
3 45 Travel Reduction, %
4 26 Weight / Axle Power
JD 4055 JD 4055 JD 4055 PowerShift,PowerShift,
MFWD, 109 pto
MFWD, MFWD, 27 Weight /
JD 4055 JD 4055 PowerShift, hp 109 pto hp 109 pto hp Input Power
33 Axle Power-Front
5376 5376 5376 5376 5376 34 Axle Power-Rear
0 0 0 0 0 38 Power Delivery Efficiency
2 2 2 2 2 39 Vechicle Traction Ratio
0.92 0.92 0.92 0.92 0.92 40 Wt*Speed / Power
42 Drawbar Power
8582 8582 8582 8582 8582 43 DB Pull
0 0 0 0 0
2 2 2 2 2
0.92 0.92 0.92 0.92 0.92
105.3 105.3 105.3 105.3 105.3
16.9 16.9 16.9 16.9 16.9
0 0 0 0 0
0 0 0 0 0
18 20 5.5 5.5 5.5
109.17 109.17 109.17 109.17 109.17
250 250 250 250 250
13958 13958 13958 13958 13958
5376 5376 5376 5376 5376
38.5 38.5 38.5 38.5 38.5
13.1 13.1 13.1 13.1 13.1
8582 8582 8582 8582 8582
11 11 11 11 11
139.2 139.2 139.2 139.2 139.2
127.9 127.9 127.9 127.9 127.9
13958 13958 13958 13958 13958
5141 5174 4388 4388 4388
36.8 37.1 31.4 31.4 31.4
8817 8784 9570 9570 9570
36.9 37.2 31.6 31.6 31.6
63.4 63.1 68.8 68.8 68.8
0.161 0.161 0.161 0.161 0.161
0 0 0 0 0
235 202 988 988 988
0.630 0.602 0.739 0.739 0.739
Page 10
Summary
0.105 0.090 0.440 0.440 0.440
#REF! #REF! #REF! #REF! #REF!
68.8 65.8 80.6 80.6 80.6
1463 1256 6148 6148 6148
17.62 19.64 4.92 4.92 4.92
2.1 1.8 10.6 10.6 10.6
15 16 17 18 19
17.6236 19.63755 4.917936 4.917946 4.917939
0.629793 0.602489 0.738518 0.73852 0.738519
1462.944 1255.987 6147.713 6147.691 6147.705
Page 11
Summary
or summary Chart & macro
Conversion
legend axis label SI Axis Label factor
No-Slip Speed (mph)
no-slip speed No-Slip Speed (kph) 1.6093
Speed Ground Speed (mph) Ground Speed (kph) 1.6093
Travel
Travel Reduction Reduction, % Wheel slip (%) 1
W/P WT / axle power (lb/hp) WT / axle power (kg/kW) 0.6082
W/P Wt / Input Power (lb/hp) Wt / Input Power (kg/kW) 0.6082
AxPwr - F Axle Power-Front (hp) Axle Power-Front (kW) 0.7457
AxPwr - R Axle Power-Rear (hp) Axle Power-Rear (kW) 0.7457
PDE Power Delivery Efficiency Power Delivery Efficiency 1
VTR Vehicle Traction Ratio, VTR Vehicle Traction Ratio, VTR 1
WSP W
Wt*Speed/Power (lb*mph/hp) t*Speed/Power (lb*mph/hp) 1
DB Pwr Drawbar Power (hp) Drawbar Power (kW) 0.7457
DB pull Drawbar Pull (lb) Drawbar Pull (kN) 0.00445
Page 12
SummaryChart
SUMMARY DATA CHART
JOHN DEERE 4055 PowerShift MFWD_________ 109
0.8 14000
0.7
12000
0.6
10000
Power Delivery Efficiency
0.5
Drawbar Pull (lb)
8000
0.4
6000
0.3
4000
0.2
2000
0.1
0 0
0 5 10 15 20 25
Ground Speed (mph)
PDE DB pull
Page 13
Axle Power Distribution
Input to Axle Efficiency
NEW HOLLAND
35
31
30
25 24
Number of Tractors
20
20
17
15
13
10
7
6
5 4
1
0 0 0 0 0
0
0.800 0.820 0.840 0.860 0.880 0.900 0.920 0.940 0.960 0.980 1.000 1.020 1.040 1.060
Axle Power/Input (PTO) Power
Page 14
EQUATION, NTR
TRACTION EQUATION PLOT WITH CURRENT Bn
Bn = 133.7
1.000
0.900
GTR
0.800
0.700
0.600
TE
0.500
0.400
0.300
0.200
0.100
M/W
0.000 Slip Ratio
0.000 0.200 0.400 0.600 0.800 1.000 1.200
Net Traction Ratio, NTR
Page 15
LOSSES, NTR
TRACTION LOSSES @ CURRENT Bn VALUE
Bn = 133.7
Va/Vt
1.000 Current Value
NTR/GTR
0.900
TE
0.800
0.700
0.600
0.500
0.400
0.300
0.200
0.100
M/W
0.000 Slip Ratio
0.000 0.200 0.400 0.600 0.800 1.000 1.200
Net Traction Ratio, P/W
Page 16
EQUATION, SLIP
TRACTION EQUATION PLOT WITH CURRENT Bn
Bn = 133.7
1.000
NTR/GTR
0.900
GTR
NTR
0.800
0.700
0.600
TE
0.500
0.400
0.300
0.200
0.100
M/W
0.000
0 10 20 30 40 50 60
Slip, %
Page 17
Intro
Predicting Tr
Frank M. Zoz, PE
Retired, John Dee
6531 Eldora Rd
Waterloo, Ia 50701
FMZoz@FBX.COM
319-988-4532
http://filebox.vt.ed
Press "START" Bu
use "TRACPERF M
Note:
Calculated Tire Pres
Use Tire Company Loa
Page 18
Intro
Predicting Tractor Field Performance
Frank M. Zoz, PE Dr Robert (Bobby) Grisso, PE
Retired, John Deere PECProfessor, Biological Systems Engineering,
6531 Eldora Rd 211 Seitz Hall, Virginia Tech
Waterloo, Ia 50701 Blacksburg, Virginia 24061-0303
FMZoz@FBX.COM rgrisso@vt.edu
319-988-4532 540-231-6538
Version
28-Aug-06
http://filebox.vt.edu/users/rgrisso/Tractor.htm
Press "START" Button and
use "TRACPERF MENU" on Excel Toolbar.
Calculated Tire Pressures are an Estimate Only.
Use Tire Company Load/Pressure Tables.
Page 19
